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, White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent Cocktail Dress Macy's Black And Gold Dress Long Glitter Floral Print A Line Prom Dress PromGirl Hot Pink White Small The Dress. Is it blue and black or white and gold? Here is the confirmed answer. 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