ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Blue And White Dresses Bloomingdale's You Can Now Buy 'The Dress' In Either Blue And Black Or White And Gold The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example The Science Behind the Dress Illusion Eyepic Eye Care