Blue & Black or White & Gold? Neuroscientist Finally Explains the Dress Illusion me en Miroir Ivory Green Gold brings the engraving lines forward in light, while Gray Ivory lets the imagery sink deeply, like the cover of an old classical White and gold or blue and black? What colour is the dress? London Evening Standard The Standard ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive