using System.Drawing; namespace GitUI { public static class ColorHelper { public static Color GetForeColorForBackColor(Color backColor) { return IsLightColor(backColor) ? Color.Black : Color.White; } public static bool IsLightColor(this Color color) { return new HslColor(color).L > 0.5; } /// <remarks>0.05 is subtle. 0.3 is quite strong.</remarks> public static Color MakeColorDarker(this Color color, double amount) { var hsl = new HslColor(color); return hsl.WithBrightness(hsl.L - amount).ToColor(); } } }