Is this dress Blue Black and blue dress, Dress, Blue dresses The Maternity Sloane Dress Black Jersey Hill House Home Maternity Short Sleeve Maxi Dress Mamafique The Science Behind the Dress Illusion Eyepic Eye Care The White and Gold (No, Blue and Black!) Dress That Melted the Internet 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