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 Bariano Gold Sequin Cocktail Dress Formal Dress Size 12 (s) 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 Science explains how time spent outdoors colors your view of #thedress Los Angeles Times