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 In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color perception Best Matching Earrings for Blue Dresses The Blue and Gold Dress Auroratide White and gold? Or blue and black? Dress sets the Internet ablaze with color debate