[Sports fans going absolutely bonkers whether their team wins or loses has caused some issues in the slums more than once. He didn't get it, but he also didn't follow sports closely.]

Indeed. So far, blue has been suggested, but possibly not a very specific shade of blue so it doesn't match another's ... 'signature color'. I do not know where I will find such a jersey capable of actually fitting on the .. other form I take, but matching color should be enough for most purposes.