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 Viral optical illusion dress resurfaces at Vermont Yard sale, sparking new buzz Life & Style Aaj English TV The Science Behind the Black and Blue (or White and Gold) Dress Is That Dress White and Gold or Blue and Black? The New York Times The Science Behind the Dress Illusion Eyepic Eye Care