The Great Dress Debate: White and Gold or Blue and Black? Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed 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