Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say 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 Mens Black and Gold Formal Outfit Etsy ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive