Is it white and gold or blue and black? The truth behind the dress debate. CooperVision What color is this dress and why is everyone on the Internet arguing about it? PhillyVoice 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 What colour is the dress? Explained What Color is The DRESS? Optical Illusion Explained How "The Dress" Became an Illusion Unlike Any Other Scientific American