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 This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see Adrianna Papell Gold Satin Beaded Illusion Mesh Midi Dress Sz 6 Cocktail Party eBay Gold Illusion Sequin Top Tulle Bottom Evening Dress With Short Sleeve