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 This is just incredible. Both dresses on the shaded area (right side) are identical in color. How "The Dress" Became an Illusion Unlike Any Other Scientific American Ladivine CC8884 Sweetheart Neck Beaded Corset Bodice Dress