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 Is it white and gold or blue and black? The truth behind the dress debate. CooperVision The science behind the controversial blue black, gold white dress 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 Now that FINALLY explains it TikTok