diff --git a/.eslintignore b/.eslintignore
index 8b9ef749..cbac6563 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -15,4 +15,6 @@ vite.config.js
 !**/*.mjs
 **/*.tsx
 **/*.ts
-**/*.json
\ No newline at end of file
+**/*.json
+**/dev-dist
+**/dist
\ No newline at end of file
diff --git a/.prettierignore b/.prettierignore
index 1b106696..d3aafaaa 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -8,4 +8,5 @@ packages/mini/krill-parser.js
 packages/xen/tunejs.js
 paper
 pnpm-lock.yaml
-pnpm-workspace.yaml
\ No newline at end of file
+pnpm-workspace.yaml
+**/dev-dist
\ No newline at end of file
diff --git a/packages/react/src/components/CodeMirror6.jsx b/packages/react/src/components/CodeMirror6.jsx
index 8b05a727..eb02004a 100644
--- a/packages/react/src/components/CodeMirror6.jsx
+++ b/packages/react/src/components/CodeMirror6.jsx
@@ -49,11 +49,12 @@ const highlightField = StateField.define({
     try {
       for (let e of tr.effects) {
         if (e.is(setHighlights)) {
+          const { haps } = e.value;
           const marks =
-            e.value
+            haps
               .map((hap) =>
                 (hap.context.locations || []).map(({ start, end }) => {
-                  const color = hap.context.color || '#FFCA28';
+                  const color = hap.context.color || e.value.color || '#FFCA28';
                   let from = tr.newDoc.line(start.line).from + start.column;
                   let to = tr.newDoc.line(end.line).from + end.column;
                   const l = tr.newDoc.length;
@@ -79,9 +80,17 @@ const highlightField = StateField.define({
   provide: (f) => EditorView.decorations.from(f),
 });
 
-const extensions = [javascript(), strudelTheme, highlightField, flashField];
+const extensions = [javascript(), highlightField, flashField];
 
-export default function CodeMirror({ value, onChange, onViewChanged, onSelectionChange, options, editorDidMount }) {
+export default function CodeMirror({
+  value,
+  onChange,
+  onViewChanged,
+  onSelectionChange,
+  theme,
+  options,
+  editorDidMount,
+}) {
   const handleOnChange = useCallback(
     (value) => {
       onChange?.(value);
@@ -106,6 +115,7 @@ export default function CodeMirror({ value, onChange, onViewChanged, onSelection
     <>
       <_CodeMirror
         value={value}
+        theme={theme || strudelTheme}
         onChange={handleOnChange}
         onCreateEditor={handleOnCreateEditor}
         onUpdate={handleOnUpdate}
diff --git a/packages/react/src/components/MiniRepl.jsx b/packages/react/src/components/MiniRepl.jsx
index b2c40d79..27d17983 100644
--- a/packages/react/src/components/MiniRepl.jsx
+++ b/packages/react/src/components/MiniRepl.jsx
@@ -10,10 +10,21 @@ import { Icon } from './Icon';
 import styles from './MiniRepl.module.css';
 import './style.css';
 import { logger } from '@strudel.cycles/core';
+import useEvent from '../hooks/useEvent.mjs';
+import useKeydown from '../hooks/useKeydown.mjs';
 
 const getTime = () => getAudioContext().currentTime;
 
-export function MiniRepl({ tune, hideOutsideView = false, enableKeyboard, drawTime, punchcard, canvasHeight = 200 }) {
+export function MiniRepl({
+  tune,
+  hideOutsideView = false,
+  enableKeyboard,
+  drawTime,
+  punchcard,
+  canvasHeight = 200,
+  theme,
+  highlightColor,
+}) {
   drawTime = drawTime || (punchcard ? [0, 4] : undefined);
   const evalOnMount = !!drawTime;
   const drawContext = useCallback(
@@ -61,6 +72,7 @@ export function MiniRepl({ tune, hideOutsideView = false, enableKeyboard, drawTi
     pattern,
     active: started && !activeCode?.includes('strudel disable-highlighting'),
     getTime: () => scheduler.now(),
+    color: highlightColor,
   });
 
   // keyboard shortcuts
@@ -132,7 +144,7 @@ export function MiniRepl({ tune, hideOutsideView = false, enableKeyboard, drawTi
         {error && <div className={styles.error}>{error.message}</div>}
       </div>
       <div className={styles.body}>
-        {show && <CodeMirror6 value={code} onChange={setCode} onViewChanged={setView} />}
+        {show && <CodeMirror6 value={code} onChange={setCode} onViewChanged={setView} theme={theme} />}
       </div>
       {drawTime && (
         <canvas
@@ -161,18 +173,3 @@ export function MiniRepl({ tune, hideOutsideView = false, enableKeyboard, drawTi
 function useLogger(onTrigger) {
   useEvent(logger.key, onTrigger);
 }
-
-// TODO: dedupe
-function useEvent(name, onTrigger, useCapture = false) {
-  useEffect(() => {
-    document.addEventListener(name, onTrigger, useCapture);
-    return () => {
-      document.removeEventListener(name, onTrigger, useCapture);
-    };
-  }, [onTrigger]);
-}
-
-// TODO: dedupe
-function useKeydown(onTrigger) {
-  useEvent('keydown', onTrigger, true);
-}
diff --git a/packages/react/src/components/MiniRepl.module.css b/packages/react/src/components/MiniRepl.module.css
index cbbb5a3b..257268a8 100644
--- a/packages/react/src/components/MiniRepl.module.css
+++ b/packages/react/src/components/MiniRepl.module.css
@@ -1,9 +1,9 @@
 .container {
-  @apply rounded-md overflow-hidden bg-[#222222];
+  @apply overflow-hidden;
 }
 
 .header {
-  @apply flex justify-between bg-slate-700 border-t border-slate-500;
+  @apply flex justify-between bg-lineHighlight border-t border-l border-r border-lineHighlight rounded-t-md overflow-hidden;
 }
 
 .buttons {
@@ -11,11 +11,11 @@
 }
 
 .button {
-  @apply cursor-pointer w-16 flex items-center justify-center p-1 bg-slate-700 border-r border-slate-500  text-white hover:bg-slate-600;
+  @apply cursor-pointer w-16 flex items-center justify-center p-1 border-r border-lineHighlight text-foreground hover:bg-background;
 }
 
 .buttonDisabled {
-  @apply w-16 flex items-center justify-center p-1 bg-slate-600 text-slate-400 cursor-not-allowed;
+  @apply w-16 flex items-center justify-center p-1 opacity-50 cursor-not-allowed border-r border-lineHighlight;
 }
 
 .error {
diff --git a/packages/react/src/components/style.css b/packages/react/src/components/style.css
index d3aed9d7..f2db01cc 100644
--- a/packages/react/src/components/style.css
+++ b/packages/react/src/components/style.css
@@ -5,10 +5,10 @@
   font-size: 18px;
 }
 
-.cm-theme-light {
+.cm-theme {
   width: 100%;
 }
 
-.cm-line > * {
-  background: #00000095;
+.cm-theme-light {
+  width: 100%;
 }
diff --git a/packages/react/src/hooks/useEvent.mjs b/packages/react/src/hooks/useEvent.mjs
new file mode 100644
index 00000000..f349c6e7
--- /dev/null
+++ b/packages/react/src/hooks/useEvent.mjs
@@ -0,0 +1,12 @@
+import { useEffect } from 'react';
+
+function useEvent(name, onTrigger, useCapture = false) {
+  useEffect(() => {
+    document.addEventListener(name, onTrigger, useCapture);
+    return () => {
+      document.removeEventListener(name, onTrigger, useCapture);
+    };
+  }, [onTrigger]);
+}
+
+export default useEvent;
diff --git a/packages/react/src/hooks/useHighlighting.mjs b/packages/react/src/hooks/useHighlighting.mjs
index 1b7a2ced..84262583 100644
--- a/packages/react/src/hooks/useHighlighting.mjs
+++ b/packages/react/src/hooks/useHighlighting.mjs
@@ -1,7 +1,7 @@
 import { useEffect, useRef } from 'react';
 import { setHighlights } from '../components/CodeMirror6';
 
-function useHighlighting({ view, pattern, active, getTime }) {
+function useHighlighting({ view, pattern, active, getTime, color }) {
   const highlights = useRef([]);
   const lastEnd = useRef(0);
   useEffect(() => {
@@ -19,9 +19,9 @@ function useHighlighting({ view, pattern, active, getTime }) {
             highlights.current = highlights.current.filter((hap) => hap.whole.end > audioTime); // keep only highlights that are still active
             const haps = pattern.queryArc(...span).filter((hap) => hap.hasOnset());
             highlights.current = highlights.current.concat(haps); // add potential new onsets
-            view.dispatch({ effects: setHighlights.of(highlights.current) }); // highlight all still active + new active haps
+            view.dispatch({ effects: setHighlights.of({ haps: highlights.current, color }) }); // highlight all still active + new active haps
           } catch (err) {
-            view.dispatch({ effects: setHighlights.of([]) });
+            view.dispatch({ effects: setHighlights.of({ haps: [] }) });
           }
           frame = requestAnimationFrame(updateHighlights);
         });
@@ -30,10 +30,10 @@ function useHighlighting({ view, pattern, active, getTime }) {
         };
       } else {
         highlights.current = [];
-        view.dispatch({ effects: setHighlights.of([]) });
+        view.dispatch({ effects: setHighlights.of({ haps: [] }) });
       }
     }
-  }, [pattern, active, view]);
+  }, [pattern, active, view, color]);
 }
 
 export default useHighlighting;
diff --git a/packages/react/src/index.js b/packages/react/src/index.js
index e8a4c447..f9eca1cd 100644
--- a/packages/react/src/index.js
+++ b/packages/react/src/index.js
@@ -1,9 +1,11 @@
 // import 'tailwindcss/tailwind.css';
 
-export { default as CodeMirror, flash } from './components/CodeMirror6';
-export * from './components/MiniRepl';
-export { default as useHighlighting } from './hooks/useHighlighting';
+export { default as CodeMirror, flash } from './components/CodeMirror6'; // !SSR
+export * from './components/MiniRepl'; // !SSR
+export { default as useHighlighting } from './hooks/useHighlighting'; // !SSR
+export { default as useStrudel } from './hooks/useStrudel'; // !SSR
 export { default as usePostMessage } from './hooks/usePostMessage';
-export { default as useStrudel } from './hooks/useStrudel';
 export { default as useKeydown } from './hooks/useKeydown';
+export { default as useEvent } from './hooks/useEvent';
+export { default as strudelTheme } from './themes/strudel-theme';
 export { default as cx } from './cx';
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 477cb723..9c7090c2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -373,6 +373,7 @@ importers:
       '@types/node': ^18.0.0
       '@types/react': ^18.0.26
       '@types/react-dom': ^18.0.9
+      '@uiw/codemirror-themes-all': ^4.19.8
       '@vite-pwa/astro': ^0.0.1
       astro: ^1.7.2
       canvas: ^2.11.0
@@ -415,6 +416,7 @@ importers:
       '@types/node': 18.11.18
       '@types/react': 18.0.27
       '@types/react-dom': 18.0.10
+      '@uiw/codemirror-themes-all': 4.19.8
       astro: 1.9.2_@types+node@18.11.18
       canvas: 2.11.0
       fraction.js: 4.2.0
@@ -3994,6 +3996,173 @@ packages:
       '@codemirror/view': 6.7.3
     dev: false
 
+  /@uiw/codemirror-theme-abcdef/4.19.8:
+    resolution: {integrity: sha512-sR7srfMJRGTsAFQYEs+8IogUxUHDsMqNqZ4waIA6rNIvOH9Q1NYFEqTpqf4AeivkNeXm3N1LI+1nQAKhWzWpOA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-androidstudio/4.19.8:
+    resolution: {integrity: sha512-xhvEPZ1NvihIJVx7MA1Z8A8NwaTbM6mtBsfwM3mKAmzW6K6JcIJftcKe5z5wSPZk4J3S66vq8RYEMOBygSOdEQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-atomone/4.19.8:
+    resolution: {integrity: sha512-enZR8RPiKohyuEU4DOWA7A/xLs/+NsuvZAuGmg5PU43CQITzK1Wqri43/WxkGGsEIztejX439s1QuYxUwCCeUg==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-aura/4.19.8:
+    resolution: {integrity: sha512-DLoi2XEPNBD6Cxsp3v/nYw7jJ7sDEXET9+C43KZnk1dQ9H5e0HSpZhOkw1xmaCGzoXn9q7HInPa7GgUEMv8NPA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-bbedit/4.19.8:
+    resolution: {integrity: sha512-1vaVaVhMP2IB7H77W9yvPRhVr+8HGBWPDfFEVWAc7tfeU0xC2MFby05gO/7T6K2JWyj2lXnVw/i+oFNeDdcekQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-bespin/4.19.8:
+    resolution: {integrity: sha512-JyzmgCloEWhduH5GVYzHQ3vPc3zC0YVRiu7lOjgdOVRhr49M6KmwTytmbmqXbaqmSZKFUJqiHjz8VswqcNC4dw==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-darcula/4.19.8:
+    resolution: {integrity: sha512-fPKyzMqCtBfez2ubC/77AP0BfE+XOio+sy8oRYfX3HqRQEivnnEddQJnTZVz0kKSLYSryQHbOMw/qwgInPvBCA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-dracula/4.19.8:
+    resolution: {integrity: sha512-YHQJUDnYKrew/YkEPQG3SQFcnKr6MzVbIXxmdKuxlCTrySNFNMK19dKrzY3fwc+Lgpp5r26QLLocTZyCvu1xeA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-duotone/4.19.8:
+    resolution: {integrity: sha512-SJkjyKxU2Nazv6uEctvRdz62/ZQ8rBP4xtXrjF/zcjOdWmx2ecUAGn/j5Euw5V55Dr74yIQFs0L+GB5UTHCHDA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-eclipse/4.19.8:
+    resolution: {integrity: sha512-6XXzYFC809e5MWT/NNTqoZ0N9H6P8mXwIEGDfigh33VU1TJPPpO1LCWdf59VcXx/xIY0ctDp7rU7hTy3f3tHkw==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-github/4.19.8:
+    resolution: {integrity: sha512-RUAzHGkG2G2PXTxsH4KbKVCKqPs/+H6xvhCT3Q4YiPj1W2aGSfPwZZ8cLLCm9dYaIh/+H6L+AcoiUtvADjyKsQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-gruvbox-dark/4.19.8:
+    resolution: {integrity: sha512-EQepnqhfcu7HY2uutigzflZ9OFzDcF9eq4xF53UylD+WZBdwq2qarZMQgBfOXZZKYI3XcTny064fa7Xxklhs1g==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-material/4.19.8:
+    resolution: {integrity: sha512-dm7FtZkJSZ4AV+9vXxKUDnXLTHaqWnsmn9HOb6AmLiHmHcLFLDgeosSBnA80fwXBhd6QswJI0cEnKHAvcC/vFg==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-noctis-lilac/4.19.8:
+    resolution: {integrity: sha512-vPH8KOiRgcBK1V7/BN04n8K03cfR4CEmOGZUMKpcLlSZwWRe0+JPk6S2qtjbJ072Fsn1ZrcLRYrqtaAJQNOVnw==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-nord/4.19.8:
+    resolution: {integrity: sha512-qBqKJI9fa35rFefXqaiw3FCXWSpD+65+Weji3g/AgB0m0+MHG+3rkC+rLZ4PE2QpkcMz6wHj89EMwOW9W1i3cA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-okaidia/4.19.8:
+    resolution: {integrity: sha512-gxEThgbbfIxKjk7UzD0D8gw5bVpgxDct3e6r9/WegZw7tTvTHMnz9wutGbJp2cYSwdgLHoQJZzZBi6jKhExZSg==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-solarized/4.19.8:
+    resolution: {integrity: sha512-xHp2i6zWBMw2+kZX0GUYi7pCL3ZL1qWSO8OaleHCkpY3jn+lfLSJOAYYkajvNyu3tPsiKQuAgpCQ6AYFWOr6BQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-sublime/4.19.8:
+    resolution: {integrity: sha512-tapkCty8lwpRw2CAY5bPiK8S2ptdTL4d1X/IkCVyHqbC0B8728iQJu3E4Rrka7yggFx4QGUpyZB9UTIFYURtsw==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-tokyo-night-day/4.19.8:
+    resolution: {integrity: sha512-HDKp2KDjluubpe+7M31SohWUFCW7wGQIvoD60xr86OkPZDdqsCVUFmna6rqfttV6S2OsgVNJPBzZvOF398Eapg==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-tokyo-night-storm/4.19.8:
+    resolution: {integrity: sha512-Kp8HIf1H+pgbRx/ZhRsqqN5qfyx3SVVfjnUPGltsdBymqh8QGdr7LC8Tp0P5+Yjb6CqF6Dgx7RnQDj1XZ94rbA==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-tokyo-night/4.19.8:
+    resolution: {integrity: sha512-LrfB+EgZqBNlMF6Zqk8RrlsfVzKe6Ple7ckvREV6kSuwxncF5FlhzVL3cWgxNfNQ7TJ5ySVSvw4fWOcxIcc1LQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-vscode/4.19.8:
+    resolution: {integrity: sha512-UdUuJfNjG2y88taP5gsEA9AQlhRTURnl+9kl+LOJkQtXavrqp3J8gUAHRhEWxN7k8q8YimsSVcQ4yw0FKAgXQQ==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-theme-xcode/4.19.8:
+    resolution: {integrity: sha512-VYCRhStYujUNGIkiaZZ1o5OO2Z2edsKkYCCYSy0rwb4G17vT6sd4YDnmJQuF0gzqQkTIdDxSb6aCM9ISkPABlg==}
+    dependencies:
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
+  /@uiw/codemirror-themes-all/4.19.8:
+    resolution: {integrity: sha512-0kAWabe46Vkz+gwNfaXvn/0adeUSCTAuZC0d7Nu8ebcr1TjT1fDLFNZIXlwidn40suiXq8FDfZ9euArx3RPg0Q==}
+    dependencies:
+      '@uiw/codemirror-theme-abcdef': 4.19.8
+      '@uiw/codemirror-theme-androidstudio': 4.19.8
+      '@uiw/codemirror-theme-atomone': 4.19.8
+      '@uiw/codemirror-theme-aura': 4.19.8
+      '@uiw/codemirror-theme-bbedit': 4.19.8
+      '@uiw/codemirror-theme-bespin': 4.19.8
+      '@uiw/codemirror-theme-darcula': 4.19.8
+      '@uiw/codemirror-theme-dracula': 4.19.8
+      '@uiw/codemirror-theme-duotone': 4.19.8
+      '@uiw/codemirror-theme-eclipse': 4.19.8
+      '@uiw/codemirror-theme-github': 4.19.8
+      '@uiw/codemirror-theme-gruvbox-dark': 4.19.8
+      '@uiw/codemirror-theme-material': 4.19.8
+      '@uiw/codemirror-theme-noctis-lilac': 4.19.8
+      '@uiw/codemirror-theme-nord': 4.19.8
+      '@uiw/codemirror-theme-okaidia': 4.19.8
+      '@uiw/codemirror-theme-solarized': 4.19.8
+      '@uiw/codemirror-theme-sublime': 4.19.8
+      '@uiw/codemirror-theme-tokyo-night': 4.19.8
+      '@uiw/codemirror-theme-tokyo-night-day': 4.19.8
+      '@uiw/codemirror-theme-tokyo-night-storm': 4.19.8
+      '@uiw/codemirror-theme-vscode': 4.19.8
+      '@uiw/codemirror-theme-xcode': 4.19.8
+      '@uiw/codemirror-themes': 4.19.8
+    dev: false
+
   /@uiw/codemirror-themes/4.19.7_a4vbhepr4qhxm5cldqd4jpyase:
     resolution: {integrity: sha512-M/42RkPI60ItlssmNuEoZO2MQvlY6fRmdX7XRUAhKjxczZoaq8xS6HIvv1whGf2zGsTrwdVTPCm6ls0l17dvPA==}
     peerDependencies:
@@ -4005,6 +4174,14 @@ packages:
       '@codemirror/view': 6.7.3
     dev: false
 
+  /@uiw/codemirror-themes/4.19.8:
+    resolution: {integrity: sha512-k+0molX6YuQZ7vYymS5DEl3NcHxVE4VP4J0nB7RBnzLrhDwT2K8R5ie7J2eH+4bpppIK1ZZdZ6Mie7U48dH5dQ==}
+    dependencies:
+      '@codemirror/language': 6.4.0
+      '@codemirror/state': 6.2.0
+      '@codemirror/view': 6.7.3
+    dev: false
+
   /@uiw/react-codemirror/4.19.7_b6o5qp6ml4k7skggixohr5abde:
     resolution: {integrity: sha512-IHvpYWVSdiaHX0Fk6oY6YyAJigDnyvSpWKNUTRzsMNxB+8/wqZ8lior4TprXH0zyLxW5F1+bTyifFFTeg+X3Sw==}
     peerDependencies:
@@ -10221,6 +10398,17 @@ packages:
       - supports-color
     dev: true
 
+  /postcss-import/14.1.0:
+    resolution: {integrity: sha512-flwI+Vgm4SElObFVPpTIT7SU7R3qk2L7PyduMcokiaVKuWv9d/U+Gm/QAd8NDLuykTWTkcrjOeD2Pp1rMeBTGw==}
+    engines: {node: '>=10.0.0'}
+    peerDependencies:
+      postcss: ^8.0.0
+    dependencies:
+      postcss-value-parser: 4.2.0
+      read-cache: 1.0.0
+      resolve: 1.22.1
+    dev: false
+
   /postcss-import/14.1.0_postcss@8.4.21:
     resolution: {integrity: sha512-flwI+Vgm4SElObFVPpTIT7SU7R3qk2L7PyduMcokiaVKuWv9d/U+Gm/QAd8NDLuykTWTkcrjOeD2Pp1rMeBTGw==}
     engines: {node: '>=10.0.0'}
@@ -10231,6 +10419,16 @@ packages:
       postcss-value-parser: 4.2.0
       read-cache: 1.0.0
       resolve: 1.22.1
+    dev: true
+
+  /postcss-js/4.0.0:
+    resolution: {integrity: sha512-77QESFBwgX4irogGVPgQ5s07vLvFqWr228qZY+w6lW599cRlK/HmnlivnnVUxkjHnCu4J16PDMHcH+e+2HbvTQ==}
+    engines: {node: ^12 || ^14 || >= 16}
+    peerDependencies:
+      postcss: ^8.3.3
+    dependencies:
+      camelcase-css: 2.0.1
+    dev: false
 
   /postcss-js/4.0.0_postcss@8.4.21:
     resolution: {integrity: sha512-77QESFBwgX4irogGVPgQ5s07vLvFqWr228qZY+w6lW599cRlK/HmnlivnnVUxkjHnCu4J16PDMHcH+e+2HbvTQ==}
@@ -10240,6 +10438,23 @@ packages:
     dependencies:
       camelcase-css: 2.0.1
       postcss: 8.4.21
+    dev: true
+
+  /postcss-load-config/3.1.4:
+    resolution: {integrity: sha512-6DiM4E7v4coTE4uzA8U//WhtPwyhiim3eyjEMFCnUpzbrkK9wJHgKDT2mR+HbtSrd/NubVaYTOpSpjUl8NQeRg==}
+    engines: {node: '>= 10'}
+    peerDependencies:
+      postcss: '>=8.0.9'
+      ts-node: '>=9.0.0'
+    peerDependenciesMeta:
+      postcss:
+        optional: true
+      ts-node:
+        optional: true
+    dependencies:
+      lilconfig: 2.0.6
+      yaml: 1.10.2
+    dev: false
 
   /postcss-load-config/3.1.4_postcss@8.4.21:
     resolution: {integrity: sha512-6DiM4E7v4coTE4uzA8U//WhtPwyhiim3eyjEMFCnUpzbrkK9wJHgKDT2mR+HbtSrd/NubVaYTOpSpjUl8NQeRg==}
@@ -10257,6 +10472,15 @@ packages:
       postcss: 8.4.21
       yaml: 1.10.2
 
+  /postcss-nested/6.0.0:
+    resolution: {integrity: sha512-0DkamqrPcmkBDsLn+vQDIrtkSbNkv5AD/M322ySo9kqFkCIYklym2xEmWkwo+Y3/qZo34tzEPNUw4y7yMCdv5w==}
+    engines: {node: '>=12.0'}
+    peerDependencies:
+      postcss: ^8.2.14
+    dependencies:
+      postcss-selector-parser: 6.0.11
+    dev: false
+
   /postcss-nested/6.0.0_postcss@8.4.21:
     resolution: {integrity: sha512-0DkamqrPcmkBDsLn+vQDIrtkSbNkv5AD/M322ySo9kqFkCIYklym2xEmWkwo+Y3/qZo34tzEPNUw4y7yMCdv5w==}
     engines: {node: '>=12.0'}
@@ -10265,6 +10489,7 @@ packages:
     dependencies:
       postcss: 8.4.21
       postcss-selector-parser: 6.0.11
+    dev: true
 
   /postcss-selector-parser/6.0.10:
     resolution: {integrity: sha512-IQ7TZdoaqbT+LCpShg46jnZVlhWD2w6iQYAcYXfHARZ7X1t/UGhhceQDs5X0cGqKvYlHNOuv7Oa1xmb0oQuA3w==}
@@ -11873,6 +12098,8 @@ packages:
     resolution: {integrity: sha512-AhwtHCKMtR71JgeYDaswmZXhPcW9iuI9Sp2LvZPo9upDZ7231ZJ7eA9RaURbhpXGVlrjX4cFNlB4ieTetEb7hQ==}
     engines: {node: '>=12.13.0'}
     hasBin: true
+    peerDependencies:
+      postcss: ^8.0.9
     dependencies:
       arg: 5.0.2
       chokidar: 3.5.3
@@ -11889,10 +12116,10 @@ packages:
       object-hash: 3.0.0
       picocolors: 1.0.0
       postcss: 8.4.21
-      postcss-import: 14.1.0_postcss@8.4.21
-      postcss-js: 4.0.0_postcss@8.4.21
-      postcss-load-config: 3.1.4_postcss@8.4.21
-      postcss-nested: 6.0.0_postcss@8.4.21
+      postcss-import: 14.1.0
+      postcss-js: 4.0.0
+      postcss-load-config: 3.1.4
+      postcss-nested: 6.0.0
       postcss-selector-parser: 6.0.11
       postcss-value-parser: 4.2.0
       quick-lru: 5.1.1
diff --git a/website/package.json b/website/package.json
index b07c9f0f..5393d1b8 100644
--- a/website/package.json
+++ b/website/package.json
@@ -38,6 +38,7 @@
     "@types/node": "^18.0.0",
     "@types/react": "^18.0.26",
     "@types/react-dom": "^18.0.9",
+    "@uiw/codemirror-themes-all": "^4.19.8",
     "astro": "^1.7.2",
     "canvas": "^2.11.0",
     "fraction.js": "^4.2.0",
diff --git a/website/src/components/HeadCommon.astro b/website/src/components/HeadCommon.astro
index ce00f97e..796f96db 100644
--- a/website/src/components/HeadCommon.astro
+++ b/website/src/components/HeadCommon.astro
@@ -1,9 +1,12 @@
 ---
 import { pwaInfo } from 'virtual:pwa-info';
 import '../styles/index.css';
+import { settings } from '../repl/themes.mjs';
 
 const { BASE_URL } = import.meta.env;
 const base = BASE_URL;
+
+const { strudelTheme } = settings;
 ---
 
 <!-- Global Metadata -->
@@ -27,4 +30,55 @@ const base = BASE_URL;
 <script src="./make-scrollable-code-focusable.js" is:inline></script>
 
 <script src="/src/pwa.ts"></script>
+<!-- this does not work for some reason: -->
+<!-- <style is:global define:vars={strudelTheme}></style> -->
+<!-- the following variables are just a fallback to make sure everything is readable without JS -->
+<style is:global>
+  :root {
+    --background: #222;
+    --lineBackground: #22222250;
+    --foreground: #fff;
+    --caret: #ffcc00;
+    --selection: rgba(128, 203, 196, 0.5);
+    --selectionMatch: #036dd626;
+    --lineHighlight: #00000050;
+    --gutterBackground: transparent;
+    --gutterForeground: #8a919966;
+  }
+</style>
 {pwaInfo && <Fragment set:html={pwaInfo.webManifest.linkTag} />}
+
+<script define:vars={{ settings, strudelTheme }} is:inline>
+  const themeStyle = document.createElement('style');
+  themeStyle.id = 'strudel-theme';
+  document.head.append(themeStyle);
+  function getTheme(name) {
+    if (!settings[name]) {
+      console.warn('theme', name, 'has no settings');
+    }
+    return {
+      name,
+      settings: settings[name] || settings.strudelTheme,
+    };
+  }
+  function setTheme(name) {
+    const { settings } = getTheme(name);
+    // set css variables
+    themeStyle.innerHTML = `:root {
+      ${Object.entries(settings)
+        // important to override fallback
+        .map(([key, value]) => `--${key}: ${value} !important;`)
+        .join('\n')}
+    }`;
+    // tailwind dark mode
+    if (settings.light) {
+      document.documentElement.classList.remove('dark');
+    } else {
+      document.documentElement.classList.add('dark');
+    }
+    // persist theme name
+    localStorage.setItem('strudel-theme', name || 'strudelTheme');
+  }
+  setTheme(localStorage.getItem('strudel-theme'));
+  document.addEventListener('strudel-theme', (e) => setTheme(e.detail));
+</script>
diff --git a/website/src/components/Header/Header.astro b/website/src/components/Header/Header.astro
index 8bb9497d..4055a641 100644
--- a/website/src/components/Header/Header.astro
+++ b/website/src/components/Header/Header.astro
@@ -19,13 +19,13 @@ const langCode = 'en'; // getLanguageFromURL(currentPage);
 const sidebar = SIDEBAR[langCode];
 ---
 
-<nav class="flex justify-between py-2 px-4 items-center h-14 max-h-14 bg-[#161616]" title="Top Navigation">
+<nav class="flex justify-between py-2 px-4 items-center h-14 max-h-14 bg-lineHighlight text-foreground" title="Top Navigation">
   <!--     <div class="menu-toggle">
       <SidebarToggle client:idle />
     </div> -->
   <div class="flex overflow-visible items-center grow" style="overflow:visible">
     <a href="/" class="flex items-center text-2xl space-x-2">
-      <h1 class="text-white font-bold flex space-x-2 items-baseline text-xl">
+      <h1 class="font-bold flex space-x-2 items-baseline text-xl">
         <span>🌀</span>
         <div class="flex space-x-1 items-baseline">
           <span class="">strudel</span>
diff --git a/website/src/components/LeftSidebar/LeftSidebar.astro b/website/src/components/LeftSidebar/LeftSidebar.astro
index 85d27b45..2e54ec6d 100644
--- a/website/src/components/LeftSidebar/LeftSidebar.astro
+++ b/website/src/components/LeftSidebar/LeftSidebar.astro
@@ -14,7 +14,7 @@ const langCode = 'en'; // getLanguageFromURL(currentPage);
 const sidebar = SIDEBAR[langCode];
 ---
 
-<nav aria-labelledby="grid-left" class="max-h-full overflow-auto pb-20">
+<nav aria-labelledby="grid-left" class="max-h-full overflow-auto pb-20 text-foreground">
   <ul>
     {
       Object.entries(sidebar).map(([header, children]) => (
@@ -27,8 +27,8 @@ const sidebar = SIDEBAR[langCode];
                 return (
                   <li class="">
                     <a
-                      class={`pl-4 py-0.5 w-full hover:bg-header block${
-                        currentPageMatch === child.link ? ' bg-header' : ''
+                      class={`pl-4 py-0.5 w-full hover:bg-lineHighlight block${
+                        currentPageMatch === child.link ? ' bg-lineHighlight' : ''
                       }`}
                       href={url}
                       aria-current={currentPageMatch === child.link ? 'page' : false}
diff --git a/website/src/components/PageContent/PageContent.astro b/website/src/components/PageContent/PageContent.astro
index b6131e16..367e80e2 100644
--- a/website/src/components/PageContent/PageContent.astro
+++ b/website/src/components/PageContent/PageContent.astro
@@ -22,7 +22,7 @@ const currentPage = Astro.url.pathname;
       <span>On this Page:</span>
       <TableOfContents client:media="(max-width: 50em)" headings={headings} currentPage={currentPage} />
     </nav> -->
-    <div class="prose prose-invert max-w-full pb-8">
+    <div class="prose dark:prose-invert max-w-full pb-8">
       <slot />
     </div>
   </section>
diff --git a/website/src/components/RightSidebar/RightSidebar.astro b/website/src/components/RightSidebar/RightSidebar.astro
index c110d9d8..ce16b9c0 100644
--- a/website/src/components/RightSidebar/RightSidebar.astro
+++ b/website/src/components/RightSidebar/RightSidebar.astro
@@ -12,7 +12,7 @@ const { headings, githubEditUrl } = Astro.props as Props;
 const currentPage = Astro.url.pathname;
 ---
 
-<nav aria-labelledby="grid-right" class="w-64">
+<nav aria-labelledby="grid-right" class="w-64 text-foreground">
   <TableOfContents client:media="(min-width: 50em)" headings={headings} currentPage={currentPage} />
   <MoreMenu editHref={githubEditUrl} />
 </nav>
diff --git a/website/src/components/RightSidebar/TableOfContents.tsx b/website/src/components/RightSidebar/TableOfContents.tsx
index efb1d185..99c0eb54 100644
--- a/website/src/components/RightSidebar/TableOfContents.tsx
+++ b/website/src/components/RightSidebar/TableOfContents.tsx
@@ -78,9 +78,9 @@ const TableOfContents: FunctionalComponent<{ headings: MarkdownHeading[]; curren
               <a
                 href={`${currentPage}#${heading.slug}`}
                 onClick={onLinkClick}
-                className={`py-0.5 block cursor-pointer w-full border-l-4 border-header hover:bg-header ${
+                className={`py-0.5 block cursor-pointer w-full border-l-4 border-lineHighlight hover:bg-lineHighlight ${
                   ['pl-4', 'pl-9', 'pl-12'][heading.depth - minDepth]
-                } ${currentID === heading.slug ? 'bg-header' : ''}`.trim()}
+                } ${currentID === heading.slug ? 'bg-lineHighlight' : ''}`.trim()}
               >
                 {unescape(heading.text)}
               </a>
diff --git a/website/src/docs/MiniRepl.css b/website/src/docs/MiniRepl.css
new file mode 100644
index 00000000..e9b49af8
--- /dev/null
+++ b/website/src/docs/MiniRepl.css
@@ -0,0 +1,9 @@
+.cm-activeLine {
+  background-color: transparent !important;
+}
+
+.cm-theme {
+  background-color: var(--background);
+  border: 1px solid var(--lineHighlight);
+  padding: 2px;
+}
diff --git a/website/src/docs/MiniRepl.jsx b/website/src/docs/MiniRepl.jsx
index e80a3d80..f3e83d99 100644
--- a/website/src/docs/MiniRepl.jsx
+++ b/website/src/docs/MiniRepl.jsx
@@ -2,6 +2,10 @@ import { evalScope, controls } from '@strudel.cycles/core';
 import { initAudioOnFirstClick } from '@strudel.cycles/webaudio';
 import { useEffect, useState } from 'react';
 import { prebake } from '../repl/prebake';
+import { themes, settings } from '../repl/themes.mjs';
+import './MiniRepl.css';
+
+const theme = localStorage.getItem('strudel-theme') || 'strudelTheme';
 
 let modules;
 if (typeof window !== 'undefined') {
@@ -32,9 +36,18 @@ export function MiniRepl({ tune, drawTime, punchcard, canvasHeight = 100 }) {
       .then(([res]) => setRepl(() => res.MiniRepl))
       .catch((err) => console.error(err));
   }, []);
+  // const { settings } = useTheme();
   return Repl ? (
     <div className="mb-4">
-      <Repl tune={tune} hideOutsideView={true} drawTime={drawTime} punchcard={punchcard} canvasHeight={canvasHeight} />
+      <Repl
+        tune={tune}
+        hideOutsideView={true}
+        drawTime={drawTime}
+        punchcard={punchcard}
+        canvasHeight={canvasHeight}
+        theme={themes[theme]}
+        highlightColor={settings[theme]?.foreground}
+      />
     </div>
   ) : (
     <pre>{tune}</pre>
diff --git a/website/src/docs/MobileNav.jsx b/website/src/docs/MobileNav.jsx
index edd9ce33..a198d04a 100644
--- a/website/src/docs/MobileNav.jsx
+++ b/website/src/docs/MobileNav.jsx
@@ -23,7 +23,7 @@ export default function MobileNav({ sidebar }) {
             <div className="space-y-1 px-4 py-4 bg-[#161616]">
               <a
                 href=".."
-                className="py-2 flex cursor-pointer items-center space-x-1 hover:bg-bg hover:px-2 rounded-md"
+                className="py-2 flex cursor-pointer items-center space-x-1 hover:bg-background hover:px-2 rounded-md"
               >
                 <span>go to REPL</span>
               </a>
@@ -36,7 +36,9 @@ export default function MobileNav({ sidebar }) {
                       as="a"
                       href={`/${item.link}`}
                       className={classNames(
-                        item.current ? 'bg-bg text-white' : 'text-gray-300 hover:bg-bg hover:text-white',
+                        item.current
+                          ? 'bg-background text-white'
+                          : 'text-gray-300 hover:bg-lineHighlight hover:text-white',
                         'block px-3 py-2 rounded-md text-base font-medium',
                       )}
                       aria-current={item.current ? 'page' : undefined}
diff --git a/website/src/layouts/MainLayout.astro b/website/src/layouts/MainLayout.astro
index 84eb320b..f4cf091a 100644
--- a/website/src/layouts/MainLayout.astro
+++ b/website/src/layouts/MainLayout.astro
@@ -22,7 +22,7 @@ const currentFile = `src/pages${currentPage.replace(/\/$/, '')}.mdx`;
 const githubEditUrl = `${CONFIG.GITHUB_EDIT_URL}/${currentFile}`;
 ---
 
-<html dir={frontmatter.dir ?? 'ltr'} lang={frontmatter.lang ?? 'en'} class="initial">
+<html dir={frontmatter.dir ?? 'ltr'} lang={frontmatter.lang ?? 'en'} class="initial dark">
   <head>
     <HeadCommon />
     <HeadSEO frontmatter={frontmatter} canonicalUrl={canonicalURL} />
@@ -31,7 +31,7 @@ const githubEditUrl = `${CONFIG.GITHUB_EDIT_URL}/${currentFile}`;
     </title>
   </head>
 
-  <body class="h-screen text-gray-50">
+  <body class="h-screen text-gray-50 bg-background">
     <div class="w-full h-full space-y-4 flex flex-col">
       <header class="max-w-full fixed top-0 w-full z-[100]">
         <Header currentPage={currentPage} />
diff --git a/website/src/pages/index.astro b/website/src/pages/index.astro
index fd6f96c1..8d673c37 100644
--- a/website/src/pages/index.astro
+++ b/website/src/pages/index.astro
@@ -3,12 +3,12 @@ import HeadCommon from '../components/HeadCommon.astro';
 import { Repl } from '../repl/Repl.jsx';
 ---
 
-<html lang="en">
+<html lang="en" class="dark">
   <head>
     <HeadCommon />
     <title>Strudel REPL</title>
   </head>
-  <body>
+  <body class="bg-background">
     <Repl client:only="react" />
   </body>
 </html>
diff --git a/website/src/repl/Footer.jsx b/website/src/repl/Footer.jsx
index 31468e81..28939c03 100644
--- a/website/src/repl/Footer.jsx
+++ b/website/src/repl/Footer.jsx
@@ -1,15 +1,17 @@
 import XMarkIcon from '@heroicons/react/20/solid/XMarkIcon';
 import { logger } from '@strudel.cycles/core';
-import { cx } from '@strudel.cycles/react';
+import { useEvent, cx } from '@strudel.cycles/react';
+// import { cx } from '@strudel.cycles/react';
 import { nanoid } from 'nanoid';
-import React, { useContext, useCallback, useLayoutEffect, useRef, useState } from 'react';
-import { useEvent, loadedSamples, ReplContext } from './Repl';
+import React, { useCallback, useLayoutEffect, useRef, useState } from 'react';
+import { loadedSamples } from './Repl';
 import { Reference } from './Reference';
+import { themes, themeColors } from './themes.mjs';
 
 export function Footer({ context }) {
   // const [activeFooter, setActiveFooter] = useState('console');
   // const { activeFooter, setActiveFooter, isZen } = useContext?.(ReplContext);
-  const { activeFooter, setActiveFooter, isZen } = context;
+  const { activeFooter, setActiveFooter, isZen, theme, setTheme } = context;
   const footerContent = useRef();
   const [log, setLog] = useState([]);
 
@@ -54,8 +56,8 @@ export function Footer({ context }) {
       <div
         onClick={() => setActiveFooter(name)}
         className={cx(
-          'h-8 px-2 text-white cursor-pointer hover:text-tertiary flex items-center space-x-1 border-b',
-          activeFooter === name ? 'border-white hover:border-tertiary' : 'border-transparent',
+          'h-8 px-2 text-foreground cursor-pointer hover:text-tertiary flex items-center space-x-1 border-b',
+          activeFooter === name ? 'border-foreground hover:border-tertiary' : 'border-transparent',
         )}
       >
         {label || name}
@@ -67,16 +69,17 @@ export function Footer({ context }) {
     return null;
   }
   return (
-    <footer className="bg-footer z-[20]">
+    <footer className="bg-lineHighlight z-[20]">
       <div className="flex justify-between px-2">
-        <div className={cx('flex select-none', activeFooter && 'pb-2')}>
+        <div className={cx('flex select-none max-w-full overflow-auto', activeFooter && 'pb-2')}>
           <FooterTab name="intro" label="welcome" />
           <FooterTab name="samples" />
           <FooterTab name="console" />
           <FooterTab name="reference" />
+          <FooterTab name="theme" />
         </div>
         {activeFooter !== '' && (
-          <button onClick={() => setActiveFooter('')} className="text-white" aria-label="Close Panel">
+          <button onClick={() => setActiveFooter('')} className="text-foreground" aria-label="Close Panel">
             <XMarkIcon className="w-5 h-5" />
           </button>
         )}
@@ -87,7 +90,7 @@ export function Footer({ context }) {
           ref={footerContent}
         >
           {activeFooter === 'intro' && (
-            <div className="prose prose-invert max-w-[600px] pt-2 font-sans pb-8 px-4">
+            <div className="prose dark:prose-invert max-w-[600px] pt-2 font-sans pb-8 px-4">
               <h3>
                 <span className={cx('animate-spin inline-block select-none')}>🌀</span> welcome
               </h3>
@@ -132,7 +135,7 @@ export function Footer({ context }) {
             </div>
           )}
           {activeFooter === 'console' && (
-            <div className="break-all px-4">
+            <div className="break-all px-4 dark:text-white text-stone-900">
               {log.map((l, i) => {
                 const message = linkify(l.message);
                 return (
@@ -148,8 +151,8 @@ export function Footer({ context }) {
             </div>
           )}
           {activeFooter === 'samples' && (
-            <div className="break-normal w-full px-4">
-              <span className="text-white">{loadedSamples.length} banks loaded:</span>
+            <div className="break-normal w-full px-4 dark:text-white text-stone-900">
+              <span>{loadedSamples.length} banks loaded:</span>
               {loadedSamples.map(([name, samples]) => (
                 <span key={name} className="cursor-pointer hover:text-tertiary" onClick={() => {}}>
                   {' '}
@@ -165,6 +168,34 @@ export function Footer({ context }) {
             </div>
           )}
           {activeFooter === 'reference' && <Reference />}
+          {activeFooter === 'theme' && (
+            <div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-6 xl:grid-cols-8 gap-2 p-2">
+              {Object.entries(themes).map(([k, t]) => (
+                <div
+                  key={k}
+                  className={cx(
+                    'border-2 border-transparent cursor-pointer p-4 bg-background bg-opacity-25 rounded-md',
+                    theme === k ? '!border-foreground' : '',
+                  )}
+                  onClick={() => {
+                    setTheme(k);
+                    document.dispatchEvent(
+                      new CustomEvent('strudel-theme', {
+                        detail: k,
+                      }),
+                    );
+                  }}
+                >
+                  <div className="mb-2 w-full text-center text-foreground">{k}</div>
+                  <div className="flex justify-stretch overflow-hidden rounded-md">
+                    {themeColors(t).map((c, i) => (
+                      <div key={i} className="grow h-6" style={{ background: c }} />
+                    ))}
+                  </div>
+                </div>
+              ))}
+            </div>
+          )}
         </div>
       )}
     </footer>
diff --git a/website/src/repl/Header.jsx b/website/src/repl/Header.jsx
index 1ea539fc..c58efe11 100644
--- a/website/src/repl/Header.jsx
+++ b/website/src/repl/Header.jsx
@@ -32,7 +32,7 @@ export function Header({ context }) {
       id="header"
       className={cx(
         'py-1 flex-none w-full text-black justify-between z-[100] text-lg  select-none sticky top-0',
-        !isZen && !isEmbedded && 'bg-header',
+        !isZen && !isEmbedded && 'bg-lineHighlight',
         isEmbedded ? 'flex' : 'md:flex',
       )}
     >
@@ -48,8 +48,7 @@ export function Header({ context }) {
           }}
           className={cx(
             isEmbedded ? 'text-l cursor-pointer' : 'text-xl',
-            // 'bg-clip-text bg-gradient-to-r from-primary to-secondary  text-transparent font-bold',
-            'text-white font-bold flex space-x-2 items-center',
+            'text-foreground font-bold flex space-x-2 items-center',
           )}
         >
           <div
@@ -66,7 +65,7 @@ export function Header({ context }) {
         </h1>
       </div>
       {!isZen && (
-        <div className="flex max-w-full overflow-auto text-white ">
+        <div className="flex max-w-full overflow-auto text-foreground">
           <button
             onClick={handleTogglePlay}
             title={started ? 'stop' : 'play'}
diff --git a/website/src/repl/Reference.jsx b/website/src/repl/Reference.jsx
index b27809ef..13a38ef8 100644
--- a/website/src/repl/Reference.jsx
+++ b/website/src/repl/Reference.jsx
@@ -5,16 +5,16 @@ const visibleFunctions = jsdocJson.docs
 
 export function Reference() {
   return (
-    <div className="flex h-full w-full pt-2">
+    <div className="flex h-full w-full pt-2 text-foreground">
       <div className="w-64 flex-none h-full overflow-y-auto overflow-x-hidden pr-4">
         {visibleFunctions.map((entry, i) => (
-          <a key={i} className="cursor-pointer block hover:bg-linegray py-1 px-4" href={`#doc-${i}`}>
+          <a key={i} className="cursor-pointer block hover:bg-lineHighlight py-1 px-4" href={`#doc-${i}`}>
             {entry.name} {/* <span className="text-gray-600">{entry.meta.filename}</span> */}
           </a>
         ))}
       </div>
       <div className="break-normal w-full h-full overflow-auto pl-4 flex relative">
-        <div className="prose prose-invert">
+        <div className="prose dark:prose-invert">
           <h2>API Reference</h2>
           <p>
             This is the long list functions you can use! Remember that you don't need to remember all of those and that
diff --git a/website/src/repl/Repl.css b/website/src/repl/Repl.css
index 91132464..0c5cfecc 100644
--- a/website/src/repl/Repl.css
+++ b/website/src/repl/Repl.css
@@ -10,11 +10,11 @@
   opacity: 0.5;
 }
 
-.cm-gutters {
-  display: none !important;
-}
-
 .cm-content {
   padding-top: 12px !important;
   padding-left: 8px !important;
 }
+
+.cm-line > * {
+  background: var(--lineBackground);
+}
diff --git a/website/src/repl/Repl.jsx b/website/src/repl/Repl.jsx
index b26f2bbc..818adea9 100644
--- a/website/src/repl/Repl.jsx
+++ b/website/src/repl/Repl.jsx
@@ -5,7 +5,7 @@ This program is free software: you can redistribute it and/or modify it under th
 */
 
 import { cleanupDraw, cleanupUi, controls, evalScope, getDrawContext, logger } from '@strudel.cycles/core';
-import { CodeMirror, cx, flash, useHighlighting, useStrudel } from '@strudel.cycles/react';
+import { CodeMirror, cx, flash, useHighlighting, useStrudel, useKeydown } from '@strudel.cycles/react';
 import {
   getAudioContext,
   getLoadedSamples,
@@ -22,6 +22,10 @@ import { Header } from './Header';
 import { prebake } from './prebake.mjs';
 import * as tunes from './tunes.mjs';
 import PlayCircleIcon from '@heroicons/react/20/solid/PlayCircleIcon';
+import { themes } from './themes.mjs';
+import useTheme from '../useTheme';
+
+const initialTheme = localStorage.getItem('strudel-theme') || 'strudelTheme';
 
 initAudioOnFirstClick();
 
@@ -109,6 +113,7 @@ export const ReplContext = createContext(null);
 export function Repl({ embedded = false }) {
   const isEmbedded = embedded || window.location !== window.parent.location;
   const [view, setView] = useState(); // codemirror view
+  const [theme, setTheme] = useState(initialTheme);
   const [lastShared, setLastShared] = useState();
   const [activeFooter, setActiveFooter] = useState('');
   const [isZen, setIsZen] = useState(false);
@@ -167,12 +172,15 @@ export function Repl({ embedded = false }) {
     ),
   );
 
+  const { settings } = useTheme();
+
   // highlighting
   useHighlighting({
     view,
     pattern,
     active: started && !activeCode?.includes('strudel disable-highlighting'),
     getTime: () => scheduler.now(),
+    color: settings?.foreground,
   });
 
   //
@@ -255,6 +263,8 @@ export function Repl({ embedded = false }) {
     handleShare,
     isZen,
     setIsZen,
+    theme,
+    setTheme,
   };
   return (
     // bg-gradient-to-t from-blue-900 to-slate-900
@@ -269,6 +279,7 @@ export function Repl({ embedded = false }) {
         <Header context={context} />
         <section className="grow flex text-gray-100 relative overflow-auto cursor-text pb-0" id="code">
           <CodeMirror
+            theme={themes[theme] || themes.strudelTheme}
             value={code}
             onChange={handleChangeCode}
             onViewChanged={setView}
@@ -276,7 +287,7 @@ export function Repl({ embedded = false }) {
           />
         </section>
         {error && (
-          <div className="text-red-500 p-4 bg-lineblack animate-pulse">{error.message || 'Unknown Error :-/'}</div>
+          <div className="text-red-500 p-4 bg-lineHighlight animate-pulse">{error.message || 'Unknown Error :-/'}</div>
         )}
         {isEmbedded && !started && (
           <button
@@ -292,15 +303,3 @@ export function Repl({ embedded = false }) {
     </ReplContext.Provider>
   );
 }
-
-export function useEvent(name, onTrigger, useCapture = false) {
-  useEffect(() => {
-    document.addEventListener(name, onTrigger, useCapture);
-    return () => {
-      document.removeEventListener(name, onTrigger, useCapture);
-    };
-  }, [onTrigger]);
-}
-function useKeydown(onTrigger) {
-  useEvent('keydown', onTrigger, true);
-}
diff --git a/website/src/repl/themes.mjs b/website/src/repl/themes.mjs
new file mode 100644
index 00000000..14ddc54d
--- /dev/null
+++ b/website/src/repl/themes.mjs
@@ -0,0 +1,457 @@
+import {
+  abcdef,
+  androidstudio,
+  atomone,
+  aura,
+  bespin,
+  darcula,
+  dracula,
+  duotoneDark,
+  eclipse,
+  githubDark,
+  gruvboxDark,
+  materialDark,
+  nord,
+  okaidia,
+  solarizedDark,
+  sublime,
+  tokyoNight,
+  tokyoNightStorm,
+  vscodeDark,
+  xcodeDark,
+  bbedit,
+  duotoneLight,
+  githubLight,
+  gruvboxLight,
+  materialLight,
+  noctisLilac,
+  solarizedLight,
+  tokyoNightDay,
+  xcodeLight,
+} from '@uiw/codemirror-themes-all';
+
+import strudelTheme from '@strudel.cycles/react/src/themes/strudel-theme';
+
+export const themes = {
+  strudelTheme,
+  abcdef,
+  androidstudio,
+  atomone,
+  aura,
+  bespin,
+  darcula,
+  dracula,
+  duotoneDark,
+  eclipse,
+  githubDark,
+  gruvboxDark,
+  materialDark,
+  nord,
+  okaidia,
+  solarizedDark,
+  sublime,
+  tokyoNight,
+  tokyoNightStorm,
+  vscodeDark,
+  xcodeDark,
+  bbedit,
+  duotoneLight,
+  githubLight,
+  gruvboxLight,
+  materialLight,
+  noctisLilac,
+  solarizedLight,
+  tokyoNightDay,
+  xcodeLight,
+};
+
+// lineBackground is background with 50% opacity, to make sure the selection below is visible
+
+export const settings = {
+  strudelTheme: {
+    background: '#222',
+    lineBackground: '#22222250',
+    foreground: '#fff',
+    // foreground: '#75baff',
+    caret: '#ffcc00',
+    selection: 'rgba(128, 203, 196, 0.5)',
+    selectionMatch: '#036dd626',
+    // lineHighlight: '#8a91991a', // original
+    lineHighlight: '#00000050',
+    gutterBackground: 'transparent',
+    // gutterForeground: '#8a919966',
+    gutterForeground: '#8a919966',
+  },
+  abcdef: {
+    background: '#0f0f0f',
+    lineBackground: '#0f0f0f50',
+    foreground: '#defdef',
+    caret: '#00FF00',
+    selection: '#515151',
+    selectionMatch: '#515151',
+    gutterBackground: '#555',
+    gutterForeground: '#FFFFFF',
+    lineHighlight: '#314151',
+  },
+  androidstudio: {
+    background: '#282b2e',
+    lineBackground: '#282b2e50',
+    foreground: '#a9b7c6',
+    caret: '#00FF00',
+    selection: '#343739',
+    selectionMatch: '#343739',
+    lineHighlight: '#343739',
+  },
+  atomone: {
+    background: '#272C35',
+    lineBackground: '#272C3550',
+    foreground: '#9d9b97',
+    caret: '#797977',
+    selection: '#ffffff30',
+    selectionMatch: '#2B323D',
+    gutterBackground: '#272C35',
+    gutterForeground: '#465063',
+    gutterBorder: 'transparent',
+    lineHighlight: '#2B323D',
+  },
+  aura: {
+    background: '#21202e',
+    lineBackground: '#21202e50',
+    foreground: '#edecee',
+    caret: '#a277ff',
+    selection: '#3d375e7f',
+    selectionMatch: '#3d375e7f',
+    gutterBackground: '#21202e',
+    gutterForeground: '#edecee',
+    gutterBorder: 'transparent',
+    lineHighlight: '#a394f033',
+  },
+  bbedit: {
+    light: true,
+    background: '#FFFFFF',
+    lineBackground: '#FFFFFF50',
+    foreground: '#000000',
+    caret: '#FBAC52',
+    selection: '#FFD420',
+    selectionMatch: '#FFD420',
+    gutterBackground: '#f5f5f5',
+    gutterForeground: '#4D4D4C',
+    gutterBorder: 'transparent',
+    lineHighlight: '#00000012',
+  },
+  bespin: {
+    background: '#28211c',
+    lineBackground: '#28211c50',
+    foreground: '#9d9b97',
+    caret: '#797977',
+    selection: '#36312e',
+    selectionMatch: '#4f382b',
+    gutterBackground: '#28211c',
+    gutterForeground: '#666666',
+    lineHighlight: 'rgba(255, 255, 255, 0.1)',
+  },
+  darcula: {
+    background: '#2B2B2B',
+    lineBackground: '#2B2B2B50',
+    foreground: '#f8f8f2',
+    caret: '#FFFFFF',
+    selection: 'rgba(255, 255, 255, 0.1)',
+    selectionMatch: 'rgba(255, 255, 255, 0.2)',
+    gutterBackground: 'rgba(255, 255, 255, 0.1)',
+    gutterForeground: '#999',
+    gutterBorder: 'transparent',
+    lineHighlight: 'rgba(255, 255, 255, 0.1)',
+  },
+  dracula: {
+    background: '#282a36',
+    lineBackground: '#282a3650',
+    foreground: '#f8f8f2',
+    caret: '#f8f8f0',
+    selection: 'rgba(255, 255, 255, 0.1)',
+    selectionMatch: 'rgba(255, 255, 255, 0.2)',
+    gutterBackground: '#282a36',
+    gutterForeground: '#6D8A88',
+    gutterBorder: 'transparent',
+    lineHighlight: 'rgba(255, 255, 255, 0.1)',
+  },
+  duotoneLight: {
+    light: true,
+    background: '#faf8f5',
+    lineBackground: '#faf8f550',
+    foreground: '#b29762',
+    caret: '#93abdc',
+    selection: '#e3dcce',
+    selectionMatch: '#e3dcce',
+    gutterBackground: '#faf8f5',
+    gutterForeground: '#cdc4b1',
+    gutterBorder: 'transparent',
+    lineHighlight: '#EFEFEF',
+  },
+  duotoneDark: {
+    background: '#2a2734',
+    lineBackground: '#2a273450',
+    foreground: '#6c6783',
+    caret: '#ffad5c',
+    selection: 'rgba(255, 255, 255, 0.1)',
+    gutterBackground: '#2a2734',
+    gutterForeground: '#545167',
+    lineHighlight: '#36334280',
+  },
+  eclipse: {
+    light: true,
+    background: '#fff',
+    lineBackground: '#ffffff50',
+    foreground: '#000',
+    caret: '#FFFFFF',
+    selection: '#d7d4f0',
+    selectionMatch: '#d7d4f0',
+    gutterBackground: '#f7f7f7',
+    gutterForeground: '#999',
+    lineHighlight: '#e8f2ff',
+    gutterBorder: 'transparent',
+  },
+  githubLight: {
+    light: true,
+    background: '#fff',
+    lineBackground: '#ffffff50',
+    foreground: '#24292e',
+    selection: '#BBDFFF',
+    selectionMatch: '#BBDFFF',
+    gutterBackground: '#fff',
+    gutterForeground: '#6e7781',
+  },
+  githubDark: {
+    background: '#0d1117',
+    lineBackground: '#0d111750',
+    foreground: '#c9d1d9',
+    caret: '#c9d1d9',
+    selection: '#003d73',
+    selectionMatch: '#003d73',
+    lineHighlight: '#36334280',
+  },
+  gruvboxDark: {
+    background: '#282828',
+    lineBackground: '#28282850',
+    foreground: '#ebdbb2',
+    caret: '#ebdbb2',
+    selection: '#bdae93',
+    selectionMatch: '#bdae93',
+    lineHighlight: '#3c3836',
+    gutterBackground: '#282828',
+    gutterForeground: '#7c6f64',
+  },
+  gruvboxLight: {
+    light: true,
+    background: '#fbf1c7',
+    lineBackground: '#fbf1c750',
+    foreground: '#3c3836',
+    caret: '#af3a03',
+    selection: '#ebdbb2',
+    selectionMatch: '#bdae93',
+    lineHighlight: '#ebdbb2',
+    gutterBackground: '#ebdbb2',
+    gutterForeground: '#665c54',
+    gutterBorder: 'transparent',
+  },
+  materialDark: {
+    background: '#2e3235',
+    lineBackground: '#2e323550',
+    foreground: '#bdbdbd',
+    caret: '#a0a4ae',
+    selection: '#d7d4f0',
+    selectionMatch: '#d7d4f0',
+    gutterBackground: '#2e3235',
+    gutterForeground: '#999',
+    gutterActiveForeground: '#4f5b66',
+    lineHighlight: '#545b61',
+  },
+  materialLight: {
+    light: true,
+    background: '#FAFAFA',
+    lineBackground: '#FAFAFA50',
+    foreground: '#90A4AE',
+    caret: '#272727',
+    selection: '#80CBC440',
+    selectionMatch: '#FAFAFA',
+    gutterBackground: '#FAFAFA',
+    gutterForeground: '#90A4AE',
+    gutterBorder: 'transparent',
+    lineHighlight: '#CCD7DA50',
+  },
+  noctisLilac: {
+    light: true,
+    background: '#f2f1f8',
+    lineBackground: '#f2f1f850',
+    foreground: '#0c006b',
+    caret: '#5c49e9',
+    selection: '#d5d1f2',
+    selectionMatch: '#d5d1f2',
+    gutterBackground: '#f2f1f8',
+    gutterForeground: '#0c006b70',
+    lineHighlight: '#e1def3',
+  },
+  nord: {
+    background: '#2e3440',
+    lineBackground: '#2e344050',
+    foreground: '#FFFFFF',
+    caret: '#FFFFFF',
+    selection: '#3b4252',
+    selectionMatch: '#e5e9f0',
+    gutterBackground: '#2e3440',
+    gutterForeground: '#4c566a',
+    gutterActiveForeground: '#d8dee9',
+    lineHighlight: '#4c566a',
+  },
+  okaidia: {
+    background: '#272822',
+    lineBackground: '#27282250',
+    foreground: '#FFFFFF',
+    caret: '#FFFFFF',
+    selection: '#49483E',
+    selectionMatch: '#49483E',
+    gutterBackground: '#272822',
+    gutterForeground: '#FFFFFF70',
+    lineHighlight: '#00000059',
+  },
+  solarizedLight: {
+    light: true,
+    background: '#fdf6e3',
+    lineBackground: '#fdf6e350',
+    foreground: '#657b83',
+    caret: '#586e75',
+    selection: '#dfd9c8',
+    selectionMatch: '#dfd9c8',
+    gutterBackground: '#00000010',
+    gutterForeground: '#657b83',
+    lineHighlight: '#dfd9c8',
+  },
+  solarizedDark: {
+    background: '#002b36',
+    lineBackground: '#002b3650',
+    foreground: '#93a1a1',
+    caret: '#839496',
+    selection: '#173541',
+    selectionMatch: '#aafe661a',
+    gutterBackground: '#00252f',
+    gutterForeground: '#839496',
+    lineHighlight: '#173541',
+  },
+  sublime: {
+    background: '#303841',
+    lineBackground: '#30384150',
+    foreground: '#FFFFFF',
+    caret: '#FBAC52',
+    selection: '#4C5964',
+    selectionMatch: '#3A546E',
+    gutterBackground: '#303841',
+    gutterForeground: '#FFFFFF70',
+    lineHighlight: '#00000059',
+  },
+  tokyoNightDay: {
+    light: true,
+    background: '#e1e2e7',
+    lineBackground: '#e1e2e750',
+    foreground: '#3760bf',
+    caret: '#3760bf',
+    selection: '#99a7df',
+    selectionMatch: '#99a7df',
+    gutterBackground: '#e1e2e7',
+    gutterForeground: '#3760bf',
+    gutterBorder: 'transparent',
+    lineHighlight: '#5f5faf11',
+  },
+  tokyoNightStorm: {
+    background: '#24283b',
+    lineBackground: '#24283b50',
+    foreground: '#7982a9',
+    caret: '#c0caf5',
+    selection: '#6f7bb630',
+    selectionMatch: '#1f2335',
+    gutterBackground: '#24283b',
+    gutterForeground: '#7982a9',
+    gutterBorder: 'transparent',
+    lineHighlight: '#292e42',
+  },
+  tokyoNight: {
+    background: '#1a1b26',
+    lineBackground: '#1a1b2650',
+    foreground: '#787c99',
+    caret: '#c0caf5',
+    selection: '#515c7e40',
+    selectionMatch: '#16161e',
+    gutterBackground: '#1a1b26',
+    gutterForeground: '#787c99',
+    gutterBorder: 'transparent',
+    lineHighlight: '#1e202e',
+  },
+  vscodeDark: {
+    background: '#1e1e1e',
+    lineBackground: '#1e1e1e50',
+    foreground: '#9cdcfe',
+    caret: '#c6c6c6',
+    selection: '#6199ff2f',
+    selectionMatch: '#72a1ff59',
+    lineHighlight: '#ffffff0f',
+    gutterBackground: '#1e1e1e',
+    gutterForeground: '#838383',
+    gutterActiveForeground: '#fff',
+    fontFamily: 'Menlo, Monaco, Consolas, "Andale Mono", "Ubuntu Mono", "Courier New", monospace',
+  },
+  xcodeLight: {
+    light: true,
+    background: '#fff',
+    lineBackground: '#ffffff50',
+    foreground: '#3D3D3D',
+    selection: '#BBDFFF',
+    selectionMatch: '#BBDFFF',
+    gutterBackground: '#fff',
+    gutterForeground: '#AFAFAF',
+    lineHighlight: '#EDF4FF',
+  },
+  xcodeDark: {
+    background: '#292A30',
+    lineBackground: '#292A3050',
+    foreground: '#CECFD0',
+    caret: '#fff',
+    selection: '#727377',
+    selectionMatch: '#727377',
+    lineHighlight: '#2F3239',
+  },
+};
+
+function getColors(str) {
+  const colorRegex = /#([0-9A-Fa-f]{6}|[0-9A-Fa-f]{3})/g;
+  const colors = [];
+
+  let match;
+  while ((match = colorRegex.exec(str)) !== null) {
+    const color = match[0];
+    if (!colors.includes(color)) {
+      colors.push(color);
+    }
+  }
+
+  return colors;
+}
+
+// TODO: remove
+export function themeColors(theme) {
+  return getColors(stringifySafe(theme));
+}
+
+function getCircularReplacer() {
+  const seen = new WeakSet();
+  return (key, value) => {
+    if (typeof value === 'object' && value !== null) {
+      if (seen.has(value)) {
+        return;
+      }
+      seen.add(value);
+    }
+    return value;
+  };
+}
+
+function stringifySafe(json) {
+  return JSON.stringify(json, getCircularReplacer());
+}
diff --git a/website/src/styles/index.css b/website/src/styles/index.css
index ef62234d..5c95a662 100644
--- a/website/src/styles/index.css
+++ b/website/src/styles/index.css
@@ -1,7 +1,3 @@
-body {
-  background-color: #222;
-}
-
 .cm-gutters {
   display: none !important;
 }
diff --git a/website/src/useTheme.jsx b/website/src/useTheme.jsx
new file mode 100644
index 00000000..51c66cbf
--- /dev/null
+++ b/website/src/useTheme.jsx
@@ -0,0 +1,27 @@
+import { useState } from 'react';
+import { settings } from './repl/themes.mjs';
+import { useEffect } from 'react';
+
+function useTheme() {
+  const [theme, setTheme] = useState(localStorage.getItem('strudel-theme'));
+  useEvent('strudel-theme', (e) => setTheme(e.detail));
+  const themeSettings = settings[theme || 'strudelTheme'];
+  return {
+    theme,
+    setTheme,
+    settings: themeSettings,
+    isDark: !themeSettings.light,
+    isLight: !!themeSettings.light,
+  };
+}
+// TODO: dedupe
+function useEvent(name, onTrigger, useCapture = false) {
+  useEffect(() => {
+    document.addEventListener(name, onTrigger, useCapture);
+    return () => {
+      document.removeEventListener(name, onTrigger, useCapture);
+    };
+  }, [onTrigger]);
+}
+
+export default useTheme;
diff --git a/website/tailwind.config.cjs b/website/tailwind.config.cjs
index f84b5c6e..877a2acd 100644
--- a/website/tailwind.config.cjs
+++ b/website/tailwind.config.cjs
@@ -3,6 +3,7 @@
 const defaultTheme = require('tailwindcss/defaultTheme');
 
 module.exports = {
+  darkMode: 'class',
   content: [
     './src/**/*.{astro,html,js,jsx,md,mdx,svelte,ts,tsx,vue}',
     '../packages/react/src/**/*.{html,js,jsx,md,mdx,ts,tsx}',
@@ -10,18 +11,19 @@ module.exports = {
   theme: {
     extend: {
       colors: {
-        primary: '#c792ea',
-        secondary: '#c3e88d',
         tertiary: '#82aaff',
-        highlight: '#ffcc00',
-        linegray: '#8a91991a',
-        lineblack: '#00000095',
-        bg: '#222222',
-        // header: '#8a91991a',
-        // footer: '#8a91991a',
-        header: '#00000050',
-        // header: 'transparent',
-        footer: '#00000050',
+        highlight: '#bb8800',
+        // codemirror-theme settings
+        background: 'var(--background)',
+        lineBackground: 'var(--lineBackground)',
+        foreground: 'var(--foreground)',
+        caret: 'var(--caret)',
+        selection: 'var(--selection)',
+        selectionMatch: 'var(--selectionMatch)',
+        gutterBackground: 'var(--gutterBackground)',
+        gutterForeground: 'var(--gutterForeground)',
+        gutterBorder: 'var(--gutterBorder)',
+        lineHighlight: 'var(--lineHighlight)',
       },
       typography(theme) {
         return {