Dress colour mystery solved? Expert says we're ALL RIGHT and here's why The Mirror 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 Dressgate: If you saw THAT dress as white your brain was working overtime What colour is the dress? Explained ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive