The dress was a viral online phenomenon in 2015, centered on a photograph of a dress that people disagreed on whether it was blue and black or white and gold. Within a A Line Strapless Pink Navy Blue Burgundy Prom Dresses With High Leg Sl morievent Blue Gold Dress Debate Dress Color Blind Optical Illusion Navy And Gold Outfit Optical 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