diff --git a/examples/scenes/src/test_scenes.rs b/examples/scenes/src/test_scenes.rs
index a2a02491..5cf19163 100644
--- a/examples/scenes/src/test_scenes.rs
+++ b/examples/scenes/src/test_scenes.rs
@@ -1095,14 +1095,14 @@ mod impls {
             (100., Color::WHITE),
         ];
         let mut depth = 0;
-        for (width, colour) in &options[..params.complexity.min(options.len() - 1)] {
+        for (width, color) in &options[..params.complexity.min(options.len() - 1)] {
             scene.push_layer(
                 Mix::Normal,
                 0.9,
                 Affine::IDENTITY,
                 &Rect::from_origin_size((10., 10.), (*width, *width)),
             );
-            scene.fill(Fill::EvenOdd, Affine::IDENTITY, colour, None, &main_rect);
+            scene.fill(Fill::EvenOdd, Affine::IDENTITY, color, None, &main_rect);
             depth += 1;
         }
         for _ in 0..depth {
diff --git a/vello/src/scene.rs b/vello/src/scene.rs
index 51c32f09..81d4136e 100644
--- a/vello/src/scene.rs
+++ b/vello/src/scene.rs
@@ -438,7 +438,7 @@ impl<'a> DrawGlyphs<'a> {
     /// This supports emoji fonts in COLR and bitmap formats.
     /// `style` is ignored for these fonts.
     ///
-    /// For these glyphs, the given [brush](Self::brush) is used as the "foreground colour", and should
+    /// For these glyphs, the given [brush](Self::brush) is used as the "foreground color", and should
     /// be [`Solid`](Brush::Solid) for maximum compatibility.
     pub fn draw(mut self, style: impl Into<StyleRef<'a>>, glyphs: impl Iterator<Item = Glyph>) {
         let font_index = self.run.font.index;
@@ -495,7 +495,7 @@ impl<'a> DrawGlyphs<'a> {
             (-self.run.font_size / upem).into(),
         );
 
-        let colour_collection = font.color_glyphs();
+        let color_collection = font.color_glyphs();
         let bitmaps = bitmap::BitmapStrikes::new(&font);
         let mut final_glyph = None;
         let mut outline_count = 0;
@@ -508,7 +508,7 @@ impl<'a> DrawGlyphs<'a> {
             let ppem = self.run.font_size;
             let outline_glyphs = (&mut glyphs).take_while(|glyph| {
                 let glyph_id = GlyphId::new(glyph.id);
-                match colour_collection.get(glyph_id) {
+                match color_collection.get(glyph_id) {
                     Some(color) => {
                         final_glyph = Some((EmojiLikeGlyph::Colr(color), *glyph));
                         false
@@ -979,7 +979,7 @@ fn conv_brush(
 }
 
 fn color_index(cpal: &'_ Cpal<'_>, palette_index: u16) -> Option<Color> {
-    // The "application determined" foreground colour should be used
+    // The "application determined" foreground color should be used
     // This will be handled by the caller
     if palette_index == 0xFFFF {
         return None;
@@ -1017,7 +1017,7 @@ impl ColorStopsSource for ColorStopsConverter<'_> {
             let color = color_index(self.1, item.palette_index);
             let color = match color {
                 Some(color) => color,
-                // If we should use the "application defined fallback colour",
+                // If we should use the "application defined fallback color",
                 // then *try* and determine that from the existing brush
                 None => match self.2 {
                     BrushRef::Solid(c) => c,
diff --git a/vello_tests/src/lib.rs b/vello_tests/src/lib.rs
index d0acc17e..76fb8e93 100644
--- a/vello_tests/src/lib.rs
+++ b/vello_tests/src/lib.rs
@@ -60,7 +60,7 @@ pub use snapshot::{
 pub struct TestParams {
     pub width: u32,
     pub height: u32,
-    pub base_colour: Option<Color>,
+    pub base_color: Option<Color>,
     pub use_cpu: bool,
     pub name: String,
     pub anti_aliasing: AaConfig,
@@ -71,7 +71,7 @@ impl TestParams {
         TestParams {
             width,
             height,
-            base_colour: None,
+            base_color: None,
             use_cpu: false,
             name: name.into(),
             anti_aliasing: AaConfig::Area,
@@ -127,7 +127,7 @@ pub async fn get_scene_image(params: &TestParams, scene: &Scene) -> Result<Image
     let width = params.width;
     let height = params.height;
     let render_params = vello::RenderParams {
-        base_color: params.base_colour.unwrap_or(Color::BLACK),
+        base_color: params.base_color.unwrap_or(Color::BLACK),
         width,
         height,
         antialiasing_method: params.anti_aliasing,
@@ -270,8 +270,8 @@ pub fn encode_test_scene(mut test_scene: ExampleScene, test_params: &mut TestPar
     test_scene
         .function
         .render(&mut inner_scene, &mut scene_params);
-    if test_params.base_colour.is_none() {
-        test_params.base_colour = scene_params.base_color;
+    if test_params.base_color.is_none() {
+        test_params.base_color = scene_params.base_color;
     }
     if let Some(resolution) = scene_params.resolution {
         // Automatically scale the rendering to fill as much of the window as possible
diff --git a/vello_tests/tests/property.rs b/vello_tests/tests/property.rs
index e70c7a06..e6a488a1 100644
--- a/vello_tests/tests/property.rs
+++ b/vello_tests/tests/property.rs
@@ -52,13 +52,13 @@ fn simple_square(use_cpu: bool) {
 fn empty_scene(use_cpu: bool) {
     let scene = Scene::new();
 
-    // Adding an alpha factor here changes the resulting colour *slightly*,
+    // Adding an alpha factor here changes the resulting color *slightly*,
     // presumably due to pre-multiplied alpha.
     // We just assume that alpha scenarios work fine
     let color = Color::PLUM;
     let params = TestParams {
         use_cpu,
-        base_colour: Some(color),
+        base_color: Some(color),
         ..TestParams::new("simple_square", 150, 150)
     };
     let image = vello_tests::render_then_debug_sync(&scene, &params).unwrap();
@@ -67,7 +67,7 @@ fn empty_scene(use_cpu: bool) {
         let &[r, g, b, a] = pixel else { unreachable!() };
         let image_color = Color::rgba8(r, g, b, a);
         if image_color != color {
-            panic!("Got {image_color:?}, expected clear colour {color:?}");
+            panic!("Got {image_color:?}, expected clear color {color:?}");
         }
     }
 }