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 ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive This is what summer looks like before it becomes a dress. , The Portofino print sailing ships, vintage sea maps, coral and shells set in stripes of blue, gold and pink., Meet the soul of the Turris Is the dress blue or gold? The phenomenon originated in a photograph of a dress posted on Facebook in 2015. The dress was black and blue, but the conditions of the photograph