See Also: color line(dictionary)
Color for Color - Blackjack(gambling)
Eye color(health)
Color Up/Out(casino)
Color Up(casino)
Red Color Bet - Roulette(gambling)
Change Color(casino)
Color - Blackjack(gambling)
Color opponency(health)
Color hearing(health)

color line (oh)



n [singular]
AmE the set of laws or social customs in some places that prevents people of different races from going to the same places or taking part in the same activities
British Equivalent: colour bar