How "The Dress" Became an Illusion Unlike Any Other Scientific American Blue black or white gold? The dress debate is over Photo finally solves the black and blue white and gold dress debate 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 Here's why people saw the dress differently. Is That Dress White and Gold or Blue and Black? The New York Times