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 Spaghetti Straps V neck Champagne Mermaid Prom Dress with Sequins Why the world couldn't agree on the color of 'the dress' New York Post How "The Dress" Became an Illusion Unlike Any Other Scientific American The Dress' returns in special edition gold and white version for Comic Relief charity auction The Independent The Independent