How "The Dress" Became an Illusion Unlike Any Other Scientific American This image continues to divide the world: What color do you Blue and black or white and gold? It's been a full decade since "The Dress "took over the internet, yet 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 Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider