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 How does a black and blue dress sometimes appear white and gold? The Brains Blog The Dress Gold White Blue Black Etsy The dress 10 years later: Is viral dress black and blue or white and gold? abc10.com Long Black and Blue Lace Formal Gown with Sleeves Black Navy 8