--- a/gfx/wr/webrender/src/debug_colors.rs
+++ b/gfx/wr/webrender/src/debug_colors.rs
@@ -1,13 +1,14 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #![allow(dead_code)]
+#![cfg_attr(feature = "cargo-clippy", allow(clippy::excessive_precision))]
 
 use api::ColorF;
 
 // A subset of the standard CSS colors, useful for defining GPU tag colors etc.
 
 pub const INDIGO: ColorF = ColorF { r: 0.294117647059, g: 0.0, b: 0.509803921569, a: 1.0 };
 pub const GOLD: ColorF = ColorF { r: 1.0, g: 0.843137254902, b: 0.0, a: 1.0 };
 pub const FIREBRICK: ColorF = ColorF { r: 0.698039215686, g: 0.133333333333, b: 0.133333333333, a: 1.0 };