Black blue or white gold? Dress debate goes viral Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained 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 Let's settle this once and for all which color is it?