Yes, we now have one, thanks to Kuro of Kuro-RPG.net
This set tries to follow a more standard rank system. Compared to some of the other sets out there, it is missing several non-canon ranks like Marines.
18 Colors: Black, Blue, Bronze, Brown, Cream, Green, Hot Pink, Lavender, Maroon, Navy Blue, Olive, Orange, Red, Teal, Silver, Violet, White, Yellow
Warrant Officer Ranks
Line Officer Ranks
Flag Officer Ranks