Programmatically choose high-contrast colors

Question

This should be a simple question, but I haven\'t been able to find a way to make it work.

Essentially, I have a silly localhost page that I use in my webdevelopment.

Answer 1

private Color GetContrastingColor(Color color)
{
    int r = color.R > 0 ? 256 - color.R : 255;
    int g = color.G > 0 ? 256 - color.G : 255;
    int b = color.B > 0 ? 256 - color.B : 255;
    return System.Drawing.Color.FromArgb(r, g, b);
}