Generate distinctly different RGB colors in graphs

Question

When generating graphs and showing different sets of data it usually a good idea to difference the sets by color. So one line is red and the next is green and so on. The pro

Answer 1

In case someone needs to generate random medium to high dark color for white foreground in C#, here is the code.

[DllImport("shlwapi.dll")]
public static extern int ColorHLSToRGB(int H, int L, int S);

public static string GetRandomDarkColor()
{
    int h = 0, s = 0, l = 0;
    h = (RandomObject.Next(1, 2) % 2 == 0) ? RandomObject.Next(0, 180) : iApp.RandomObject.Next(181, 360);
    s = RandomObject.Next(90, 160);
    l = RandomObject.Next(80, 130);

    return System.Drawing.ColorTranslator.FromWin32(ColorHLSToRGB(h, l, s)).ToHex();
}

private static string ToHex(this System.Drawing.Color c)
{
    return "#" + c.R.ToString("X2") + c.G.ToString("X2") + c.B.ToString("X2");
}

You can replace RandomObject with your own Random class object.