LogViewer.Utilities.HlsColor.ToHLS C# (CSharp) Method

        private void ToHLS()
        {
            byte minval = Math.Min(red, Math.Min(green, blue));
            byte maxval = Math.Max(red, Math.Max(green, blue));

            float mdiff = (float)(maxval - minval);
            float msum = (float)(maxval + minval);

            luminance = msum / 510.0f;

            if (maxval == minval)
            {
                saturation = 0.0f;
                hue = 0.0f;
            }
            else
            {
                float rnorm = (maxval - red) / mdiff;
                float gnorm = (maxval - green) / mdiff;
                float bnorm = (maxval - blue) / mdiff;

                saturation = (luminance <= 0.5f) ? (mdiff / msum) : (mdiff /
                 (510.0f - msum));

                if (red == maxval)
                {
                    hue = 60.0f * (6.0f + bnorm - gnorm);
                }
                if (green == maxval)
                {
                    hue = 60.0f * (2.0f + rnorm - bnorm);
                }
                if (blue == maxval)
                {
                    hue = 60.0f * (4.0f + gnorm - rnorm);
                }
                if (hue > 360.0f)
                {
                    hue = hue - 360.0f;
                }
            }
        }