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 The Dress blue and black or white and gold? The answer lies in vision psychology Psychology The Guardian The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example The dress 10 years later: Is viral dress black and blue or white and gold? abc10.com