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 Is the dress blue black or white gold? Body Worlds Amsterdam Is That Dress White and Gold or Blue and Black? (Published 2015) The Dress Causes Internet to Go Crazy, Debate Over Whether It's White and Gold or Black and Blue TechEBlog Here's why people saw the dress differently. The dress 10 years later: Is viral dress black and blue or white and gold? kgw.com