public static float AvgRGB(Color c) { return((float)XnaColorHelpers.SumRGB(c) / 3f); }
public static Color BlendInto(Color to, Color from) { return(XnaColorHelpers.Mul(to, from)); }
public static float AvgRGBA(Color c) { return((float)XnaColorHelpers.SumRGBA(c) * 0.25f); }
public static float Brightness(Color value) { return(XnaColorHelpers.BrightnessRGB(value)); }