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 Georgette Print Dress Leopard Print Blue Illusion 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 The science behind that absurd color changing dress, explained Vox The Science of Why No One Agrees on the Color of This Dress WIRED