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 Blue Wedding Guest Dresses Debenhams 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress Blue Gold Dress Illusion PNG Transparent Images Free Download Vector Files Pngtree The science behind the dress colour illusion Internet The Guardian