The Dress divided the Internet, but it's really about subtraction Science News It's official: The Dress is blue and black The colour constancy explanation for #thedress. The image formed on the Download Scientific Diagram Why is it so hard for people to see black and blue?' Salvation Army uses 'The Dress' to talk about domestic abuse Orange County Register Why did some people see a gold and white dress? Our Brain Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold,