public static System.Drawing.Color ModifyBrightness(System.Drawing.Color color, double brightness)
        {
            var tmpHSLColor = RGBColor.ToHSB(color);

            tmpHSLColor.Luminance *= brightness;

            return(tmpHSLColor.ToColor( ));
        }
        public static System.Drawing.Color SetHue(System.Drawing.Color color, double Hue)
        {
            var tmpHSLColor = RGBColor.ToHSB(color);

            tmpHSLColor.Hue = Hue;

            return(tmpHSLColor.ToColor( ));
        }
        public static System.Drawing.Color ModifySaturation(System.Drawing.Color color, double saturation)
        {
            var tmpHSLColor = RGBColor.ToHSB(color);

            tmpHSLColor.Saturation *= saturation;

            return(tmpHSLColor.ToColor( ));
        }