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 Mismatch Jersey Dress in Illusion Blue Optical White Black Dress Illusion Color Illusion Optical Illusion Mustard And Blue Dress Optical Yellow Blue Viral optical illusion reignites blue and black or white and gold dress debate The Mirror US First brain scan study to feature THAT dress BPS Bronx & Banco Harper Strapless Illusion Blue Maxi Gown L NWOT