Opticalillusion Blue Black and Gold Dress Side by Side TikTok Thedress: 'It's been quite stressful having to deal with it we had a falling out' Internet The Guardian The dress that divided the internet IS blue and black Daily Mail Online 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 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