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 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 One Shoulder Black Sequin Dress: Sparkly, Glittery REVOLVE The Dress of viral internet fame. Actual colour black and blue on the Download Scientific Diagram