1 files changed, 13 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/GtkUtil.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/GtkUtil.cs
index 5818c33e5b..a083d352f2 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/GtkUtil.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/GtkUtil.cs
@@ -88,6 +88,19 @@ namespace MonoDevelop.Components
 			return c.ToGdkColor ();
 		}
 
+		/// <summary>
+		/// Makes a color lighter or darker
+		/// </summary>
+		/// <param name='lightAmount'>
+		/// Amount of lightness to add. If the value is positive, the color will be lighter,
+		/// if negative it will be darker. Value must be between 0 and 1.
+		/// </param>
+		public static HslColor AddLight (this HslColor color, double lightAmount)
+		{
+			color.L += lightAmount;
+			return color;
+		}
+
 		public static Cairo.Color AddLight (this Cairo.Color color, double lightAmount)
 		{
 			var c = color.ToXwtColor ();