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 Dress of viral internet fame. Actual colour black and blue on the Download Scientific Diagram Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider The Great Dress Debate: White and Gold or Blue and Black? What color is the dress? CASSIE MINI DRESS