private static Tuple<Color, double, double>[] GenerateColors() { var result = new Tuple<Color, double, double>[256 * 256 * 256]; int i = 0; for (short r = 0; r < 256; ++r) { for (short g = 0; g < 256; ++g) { for (short b = 0; b < 256; ++b) { ColorVector colorVector = new ColorVector(r / 255.0, g / 255.0, b / 255.0); colorVector.ConvertSRgbToLinearSRgb(); colorVector.ConvertLinearSRgbToXyz(); colorVector.ConvertXyzToXyy(); double hue = Math.Atan2(colorVector.Component2 - D65.SmallY, colorVector.Component1 - D65.SmallX); result[i] = new Tuple<Color, double, double>(Color.FromArgb(r, g, b), colorVector.Component3, hue); if (i % 1000000 == 0) { Console.WriteLine(i); } i++; } } } return result; }