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 Is The Dress blue and black or white and gold? The answer lies in vision psychology Psychology The Guardian The Science of Why No One Agrees on the Color of This Dress WIRED 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