You can change your colors yourself editing NameColorizing.txt in your client folder.
Besides, I'd like to receive color suggestions from Family members!
Our problem is that displaying a dark brown/dark red name color in the Family Palace looked extremely bad because of the red carpets everywhere. That's why we unfortunately came up with something that is indeed not different enough between Brahminboys and Family.
So, please if anyone has good colors, show us screens and i'll gladly change the default NC color.