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 I've never understood the white gold side of the dress illusion but after modifying someone else's picture to make this one I can (kind of) see it. : r opticalillusions The Dress Illusion WHITE & GOLD BLUE & BLACK YouTube Is That Dress White and Gold or Blue and Black? The New York Times The science behind the controversial blue black, gold white dress First brain scan study to feature THAT dress BPS