ZAPAKA Women Sexy Black Homecoming Dress Spaghetti Straps Sequin Cocktail Party Dress, Black US10 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 perception Origin of White Gold or Black Blue Dress Business Insider 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