All you have to do is while in a Xbox Live Player Match lobby, not actually the game lobby, but the pre-game lobby, you hit right on the dpad to highlight your name, then hit "B" and go to Local Match, and then Splitscreen, then hit up on the dpad then A, then go into clan tag, and the option to change the color should be there.
All you have to do is while in a Xbox Live Player Match lobby, not actually the game lobby, but the pre-game lobby, you hit right on the dpad to highlight your name, then hit "B" and go to Local Match, and then Splitscreen, then hit up on the dpad then A, then go into clan tag, and the option to change the color should be there.

