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 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 An image goes viral online and sparks a debate about the true color of the dress. Is it blue and black or white and gold? : r Noticiasatrasadas White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent