The RadColorEditor control allows supports the most popular color models. You can choose which one to use by setting the ColorMode property.
The ColorMode property is an enumeration of type ColorMode and it exposed the following members:
RGB - sets the color model toRGB(Red, Green and Blue)
HLS - sets the color model to HLS (Hue, Luminance and Saturation)
HSV - sets the color model to HSV (Hue, Saturation and Value)
CMYK - sets the color model to CMYK (Cyan, Magenta, Yellow and Key/Black)