And when I check the plug-in-browser. it says:
What to decompose: “RGB”, “Red”, “Green”, “Blue”, “RGBA”, “HSV”, “Hue”, “Saturation”, “Value”, “HSL”, “Hue (HSL)”, “Saturation (HSL)”, “Lightness”, “CMY”, “Cyan”, “Magenta”, “Yellow”, “CMYK”, “Cyan_K”, “Magenta_K”, “Yellow_K”, “Alpha”, “LAB”, “YCbCr_ITU_R470”, “YCbCr_ITU_R709”, “YCbCr_ITU_R470_256”, “YCbCr_ITU_R709_256”