The Nike Outfit' Goes Viral as the New 'Dress' Debate Teen Vogue It's no secret that the Met Gala is the world's most fashionable theme party. Before the Met Gala takes over the Metropolitan Museum of Art tonight, take a look back at ten ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive 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