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 Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say The Dress of viral internet fame. Actual colour black and blue on the Download Scientific Diagram Optical illusion: Dress colour debate goes global BBC News 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