How "The Dress" Became an Illusion Unlike Any Other Scientific American Black blue or white gold? Dress debate goes viral 10 years ago, this dress was posted on social media causing a viral debate on whether it was blue and black or white and gold. The phenomenon revealed differences in human color 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