World of CHEL - Custom Colors - RGB please?

It would be a very nice addition to allow us to use specific RGB color codes when attempting to get a specific color to use on a jersey.  When in the Color Wheel the RGB code is displayed, so it's clear that the system is using that information.

In the color swatches why is pure black (0,0,0) and pure white (255,255,255) not an option? You cannot create it in the color wheel either. You can only get to light gray or dark gray.

Simply fix I would hope.