The Science Behind the Dress Illusion Eyepic Eye Care The dress was a viral online phenomenon in 2015, centered on a photograph of a dress that people disagreed on whether it was blue and black or white and gold. Within a 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 of Why No One Agrees on the Color of This Dress WIRED