The Science of Why No One Agrees on the Color of This Dress WIRED The Science Behind the Dress Illusion Eyepic Eye Care The Dress. Is it blue and black or white and gold? Here is the confirmed answer. 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 dress is black & blue, but here's why you can't tell TJ Kelly