What Color is The DRESS? Optical Illusion Explained YouTube Eleven years ago today, an image of a dress posted on Tumblr, a social networking platform, ignited a global online debate over whether it was white and gold or blue and black. 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 How "The Dress" Became an Illusion Unlike Any Other Scientific American The dress is back: Are these flip flops black and blue? Express.co.uk Men's Contrasting Colors Collar Long Sleeve Button Down Formal Business Dress Shirts