Communities of color
Something you only see after taking a hallucinogenic substance.
The guys drank some peyote tea and went through the Indian village, seeing communities of color, reds, blues, yellows, pinks, and oranges, all the colors of a true rainbow, since a rainbow isn't off whites, peaches, beiges, tans, bronzes, caramels, golden browns, light browns, browns, and dark browns (those aren't true colors).