colour bar(n = noun.cognition) color bar, color line, colour line, jim crow - barrier preventing blacks from participating in various activities with whites;
is a kind of ideological barrier

achromatic colour, anti-sway bar, apricot bar, axle bar, bar, bar absolute, bar billiards, bar bit, bar chart, bar code, bar exam, bar examination, bar fly, bar girl, bar graph, bar hop, bar iron, bar line, bar magnet, bar mask, bar mitzvah, bar printer, bar sinister, bar soap, candy bar, carob bar, cash bar, chinning bar, chocolate bar, chromatic colour, coffee bar, color bar, colour, colour blindness, colour constancy, colour in, colour line, colour of law, colour scheme, colour supplement, colour television, colour television system, colour television tube, colour tube, colour tv, colour tv tube, colour vision deficiency, colour wash, date bar, dithered colour, double bar, food colour, fruit bar, gill bar, grab bar, granola bar, hershey bar, high bar, hitching bar, horizontal bar, metal bar, milk bar, nonsolid colour, nougat bar, nut bar, oil colour, oyster bar, peanut bar, people of colour, person of colour, pinch bar, poster colour, pry bar, red-green colour blindness, ripping bar, salad bar, sand bar, skin colour, slice bar, snack bar, space bar, spectral colour, stabilizer bar, stall bar, sushi bar, sway bar, tamping bar, towel bar, wet bar, wine bar, wrecking bar