diff --git a/ui/app/internal/gpu/gpu.go b/ui/app/internal/gpu/gpu.go
index 15c33054..622f09ed 100644
--- a/ui/app/internal/gpu/gpu.go
+++ b/ui/app/internal/gpu/gpu.go
@@ -699,7 +699,7 @@ loop:
 			var op gdraw.ColorOp
 			op.Decode(encOp.Data, encOp.Refs)
 			state.img = nil
-			state.color = op.Col
+			state.color = op.Color
 		case ops.TypeImage:
 			var op gdraw.ImageOp
 			op.Decode(encOp.Data, encOp.Refs)
diff --git a/ui/draw/draw.go b/ui/draw/draw.go
index ca12ff38..f3215fc6 100644
--- a/ui/draw/draw.go
+++ b/ui/draw/draw.go
@@ -19,7 +19,7 @@ type ImageOp struct {
 }
 
 type ColorOp struct {
-	Col color.RGBA
+	Color color.RGBA
 }
 
 type DrawOp struct {
@@ -61,10 +61,10 @@ func (i *ImageOp) Decode(data []byte, refs []interface{}) {
 func (c ColorOp) Add(o *ui.Ops) {
 	data := make([]byte, ops.TypeColorLen)
 	data[0] = byte(ops.TypeColor)
-	data[1] = c.Col.R
-	data[2] = c.Col.G
-	data[3] = c.Col.B
-	data[4] = c.Col.A
+	data[1] = c.Color.R
+	data[2] = c.Color.G
+	data[3] = c.Color.B
+	data[4] = c.Color.A
 	o.Write(data)
 }
 
@@ -73,7 +73,7 @@ func (c *ColorOp) Decode(data []byte, refs []interface{}) {
 		panic("invalid op")
 	}
 	*c = ColorOp{
-		Col: color.RGBA{
+		Color: color.RGBA{
 			R: data[1],
 			G: data[2],
 			B: data[3],
diff --git a/ui/text/editor.go b/ui/text/editor.go
index d4365d4f..7fa4b6f7 100644
--- a/ui/text/editor.go
+++ b/ui/text/editor.go
@@ -206,10 +206,10 @@ func (e *Editor) Layout(ops *ui.Ops, cs layout.Constraints) layout.Dimens {
 	ui.PushOp{}.Add(ops)
 	// Apply material. Set a default color in case the material is empty.
 	if e.rr.len() > 0 {
-		draw.ColorOp{Col: color.RGBA{A: 0xff}}.Add(ops)
+		draw.ColorOp{Color: color.RGBA{A: 0xff}}.Add(ops)
 		e.Material.Add(ops)
 	} else {
-		draw.ColorOp{Col: color.RGBA{A: 0xaa}}.Add(ops)
+		draw.ColorOp{Color: color.RGBA{A: 0xaa}}.Add(ops)
 		e.HintMaterial.Add(ops)
 	}
 	for {
diff --git a/ui/text/label.go b/ui/text/label.go
index 32e3342a..3c847578 100644
--- a/ui/text/label.go
+++ b/ui/text/label.go
@@ -111,7 +111,7 @@ func (l Label) Layout(ops *ui.Ops, cs layout.Constraints) layout.Dimens {
 		ui.TransformOp{Transform: ui.Offset(off)}.Add(ops)
 		l.Face.Path(str).Add(ops)
 		// Set a default color in case the material is empty.
-		draw.ColorOp{Col: color.RGBA{A: 0xff}}.Add(ops)
+		draw.ColorOp{Color: color.RGBA{A: 0xff}}.Add(ops)
 		l.Material.Add(ops)
 		draw.DrawOp{Rect: lclip}.Add(ops)
 		ui.PopOp{}.Add(ops)