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 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 10 years since THE DRESS blew up Internet. Two thirds of people saw white and gold. Its an optical illusion caused by weird lighting and an overexposed background. It Is actuallylly blue and black. The Blue and Black Dress Illusion Explained TikTok