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 White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold, Color Of 'The Dress' Debate: White & Gold Or Blue & Black Twitter Decides Hollywood Life