Speed Feed: Is This Dress Gold and White, or Blue and Black? 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 Embellished Illusion Cap Sleeve Column Gown Mac Duggal First brain scan study to feature THAT dress BPS 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