diff --git a/src/canvas/canvas_styling/colour_utils.rs b/src/canvas/canvas_styling/colour_utils.rs
index 31ca93f4..10416c53 100644
--- a/src/canvas/canvas_styling/colour_utils.rs
+++ b/src/canvas/canvas_styling/colour_utils.rs
@@ -9,6 +9,7 @@ pub const FIRST_COLOUR: Color = Color::LightMagenta;
 pub const SECOND_COLOUR: Color = Color::LightYellow;
 pub const THIRD_COLOUR: Color = Color::LightCyan;
 pub const FOURTH_COLOUR: Color = Color::LightGreen;
+#[cfg(not(target_os = "windows"))]
 pub const FIFTH_COLOUR: Color = Color::LightRed;
 pub const HIGHLIGHT_COLOUR: Color = Color::LightBlue;
 pub const AVG_COLOUR: Color = Color::Red;