public static Color InvertColor(Color color)
{
ColorF colorFloat = new ColorF(color);
double hue0To1;
double saturation0To1;
double lightness0To1;
colorFloat.GetHSL(out hue0To1, out saturation0To1, out lightness0To1);
ColorF colorInvertedFloat = ColorF.FromHSL(hue0To1, saturation0To1, 1 - lightness0To1);
Color invertedColor = new Color(
colorInvertedFloat.Red0To255,
colorInvertedFloat.Green0To255,
colorInvertedFloat.Blue0To255,
// and don't change the alpha value
color.alpha);
return(invertedColor);
}
