Is This Dress Blue And Black Or White And Gold? News9.com 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 Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider 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