The Dress Strikes Back: A New Viral Optical Illusion Emerges Observer 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 Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say 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, The Science Behind the Dress Illusion Eyepic Eye Care