WOW way to be close minded, maybe asking instead of just leaving would have lent an explanation. NO COLORS is referencing to motorcycle gangs wearing specific colors, kind of like how gangs wear colors that can incite violence. This is outside of just about every dive bar I've ever been to, though usually it's a bit more specific. Needless to say though this isn't the 1960s south, so no it wasn't saying that minorities weren't allowed LOL.
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