Raven Sparkly Mermaid Wedding Dress: Silver Glitter Tulle Bridal Gown Sparkle Fitted Wedding Dress Etsy 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 Black White Gold Dress Explained The Return Of The Black Blue Dress Illusion And More What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience