The Science Behind the Dress The New York Times 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 so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Blue Zone Fringe Openwork Boat Neck Knit Dress Blue Zone Chocolate XL by Blue Zone Planet The Science Behind the Dress Illusion Eyepic Eye Care ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive