This is what I mean:
(at a certain point someone comes online, but that changes nothing)
EDIT: I think the solution goes around something like, when you hit enter on editing a contact's name Plus! will check for color codes, and when you hit F2 (or wtv you do to edit) Plus! check for color again and restores the color code for you to be able to edit what you originally input. I'm not sure if I was clear, but since I'm not a programmer that's the best I can do.