In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color Origin of White Gold or Black Blue Dress Business Insider White & Gold Or Blue & Black? Debate Over Dress Color Rages On The Blue and Gold Dress Auroratide What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience