Quote Originally Posted by Zardoz View Post
(Geek on) That's a command commisioned officer's uniform, all Starfleet tunics are red after 2278, the division is indicated by the shoulder and sleeve bands. (Geek off)
The shirt color also indicated division.

I would have to go with a black background, with overstripes for Terra, Vulcan, Andoria, Tellar Prime, and Alpha Centauri (the founding worlds of the United Federation of Planets). So - white, red, blue, ? and ? on black.