First brain scan study to feature THAT dress BPS Blue black or white gold? The dress debate is over What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive 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. The Science Behind the Dress Illusion Eyepic Eye Care