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 perception The Science Behind the Black and Blue (or White and Gold) Dress How I Flipped My Brain's View of the Black and Blue Dress Jeff Greenhouse Faviana S10801 Dream Dresses Old Bridge N.J Is that dress blue & black or white & gold? Matilda's Lab