public static int DistanceRGB(ARGB_Rev Color1, ARGB_Rev Color2) { var R = Math.Abs(Color1.R - Color2.R); var G = Math.Abs(Color1.G - Color2.G); var B = Math.Abs(Color1.B - Color2.B); return (R * R) + (G * G) + (B * B); }