public Rgb ToRgb()
{
// Using formula from https://www.easyrgb.com/en/math.php
var x1 = X / 100.0;
var y1 = Y / 100.0;
var z1 = Z / 100.0;
var r1 = x1 * 3.2406 + y1 * -1.5372 + z1 * -0.4986;
var g1 = x1 * -0.9689 + y1 * 1.8758 + z1 * 0.0415;
var b1 = x1 * 0.0557 + y1 * -0.2040 + z1 * 1.0570;
if (r1 > 0.0031308)
{
r1 = 1.055 * Math.Pow(r1, 1.0 / 2.4) - 0.055;
}
else
{
r1 = 12.92 * r1;
}
if (g1 > 0.0031308)
{
g1 = 1.055 * Math.Pow(g1, 1.0 / 2.4) - 0.055;
}
else
{
g1 = 12.92 * g1;
}
if (b1 > 0.0031308)
{
b1 = 1.055 * Math.Pow(b1, 1.0 / 2.4) - 0.055;
}
else
{
b1 = 12.92 * b1;
}
return(new Rgb(Rgb.ClampedComponent(r1), Rgb.ClampedComponent(g1), Rgb.ClampedComponent(b1)));
}
public Rgb ToRgb()
{
// Formula from https://www.rapidtables.com/convert/color/hsl-to-rgb.html
var hue = ScaledHue;
var sat = Saturation;
var lum = Luminance;
// 360deg is actually 0deg (Red)
if (hue >= 360)
{
hue = 0;
}
var C = (1 - Math.Abs(2 * lum - 1)) * sat;
var X = C * (1 - Math.Abs(hue / 60 % 2 - 1));
var m = lum - C / 2;
var r1 = 0.0;
var g1 = 0.0;
var b1 = 0.0;
if (hue >= 0 && hue < 60)
{
r1 = C;
g1 = X;
b1 = 0;
}
else if (hue >= 60 && hue < 120)
{
r1 = X;
g1 = C;
b1 = 0;
}
else if (hue >= 120 && hue < 180)
{
r1 = 0;
g1 = C;
b1 = X;
}
else if (hue >= 180 && hue < 240)
{
r1 = 0;
g1 = X;
b1 = C;
}
else if (hue >= 240 && hue < 300)
{
r1 = X;
g1 = 0;
b1 = C;
}
else if (hue >= 300 && hue < 360)
{
r1 = C;
g1 = 0;
b1 = X;
}
return(new Rgb(Rgb.ClampedComponent(r1 + m), Rgb.ClampedComponent(g1 + m), Rgb.ClampedComponent(b1 + m)));
}