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 The Science Behind the Dress Illusion Eyepic Eye Care 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, Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say