How to extract RGB values from colorpicker widget?

[skartalov]

@elgerg

uintX_t red = col.red
uintX_t green = col.green
uintX_t blue = col.blue

Thanks! It works with:
uintX_t red = col.ch.red
uintX_t green = col.ch.green
uintX_t blue = col.ch.blue