Yall remember.The Dress? Its been 10 years since group chats across the globe exploded in black and blue vs gold and white controversy, and were here to set things straight. Its time for a lesson Blue black or white gold? The dress debate is over 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 perception Optical illusion renews blue and black dress debate nine years on Express.co.uk