Remember when the internet went absolutely nuts on the colour of a dress? The dress was blue and black. The original viral poster, Caitlin McNeill, later said it was a black and blue dress The Dress That Broke the Internet turns 10! How a simple optical illusion divided the world and the mind boggling tricks that have baffled us ever since Daily Mail Online Black and blue, or white and gold? 'The dress' turns 10 years old Black or Gold or White Blue TikTok The dress was black and blue, but the conditions of the photograph caused many to perceive it as white and gold, creating debate. Within a week, more than ten million tweets had 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.