10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Women's German Dirndl Dress Blue Gold XXL Hanfu Dress for Women Blue Gold Tang Style White and gold or blue and black? What colour is the dress? London Evening Standard The Standard