Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Sleeveless Beaded and Layered Flower Girl Dress Dress Outlet The Dress Outlet Black and blue, or white and gold? 'The dress' turns 10 years old 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 why people can't agree on the color of this dress CBS News 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed