You can change the skin color of any G2 RS characters as needed although I think you are looking more for traits than purely color.
If you take an existing character into Composer mode, you can change the face, hair, etc. using the various options available in the Content Manager. There you will find the various "Power Tools" options in the different body parts tabs.
Jeff
Get my Plugin Manager and TaskNotes plugins for iClone.
Check out EZColors and Other products for CTA/CA. EZColors: the easy way to change Render Styled (RS) colors!
See my CTA Tutorials on the YouTube channel CTAStepByStep