public Color WithSaturation(double saturation)
{
var hsb = ToHSB();
return(Color.FromHSB(hsb[0], saturation, hsb [2], hsb[3]));
}
public Color WithHue(double hue)
{
var hsb = ToHSB();
return(Color.FromHSB(hue, hsb [1], hsb [2], hsb[3]));
}