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 White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent Black Satin Lace High Neck 3 4 Sleeve Evening Gown with Zipper Back from Dhgate Evening Dresses price 276.82 Jewel Mini Black Mini Dress Satin Backless High Neck Diamante Choker Plunging Cowl STUDIO MINC