diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..cc80afc
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,51 @@
+on: [push]
+
+name: CI
+
+jobs:
+  test:
+    name: cargo test
+    runs-on: ubuntu-latest
+    steps:
+    - run: sudo apt install libxcb-composite0-dev
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: stable
+    - uses: actions/checkout@v2
+    - uses: actions-rs/cargo@v1
+      with:
+        command: test
+        args: --all-features
+
+  fmt:
+    name: cargo fmt
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: stable
+    - run: rustup component add rustfmt
+    - uses: actions/checkout@v2
+    - run: sudo apt install libxcb-composite0-dev
+    - uses: actions-rs/cargo@v1
+      with:
+        command: fmt
+        args: --all -- --check
+
+  clippy:
+    name: cargo clippy
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: stable
+    - run: rustup component add clippy
+    - run: sudo apt install libxcb-composite0-dev
+    - uses: actions/checkout@v2
+    - uses: actions-rs/cargo@v1
+      with:
+        command: clippy
+        args: --workspace --all-targets --all-features --  -D warnings -W clippy::all
diff --git a/egui_node_graph/src/color_hex_utils.rs b/egui_node_graph/src/color_hex_utils.rs
index e846f0a..0479a8c 100644
--- a/egui_node_graph/src/color_hex_utils.rs
+++ b/egui_node_graph/src/color_hex_utils.rs
@@ -88,7 +88,7 @@ mod tests {
         );
         assert_eq!(
             color_to_hex(Color32::from_rgba_premultiplied(226, 226, 226, 119)),
-            "e2e2e277".to_string()
+            "#e2e2e277".to_string()
         );
     }
 }