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 Photo finally solves the black and blue white and gold dress debate 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Is This Dress Blue And Black Or White And Gold? News9.com