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 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 Is it white and gold or blue and black? The truth behind the dress debate. CooperVision ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive