B. DARLIN GREEN VELVET PARTY 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 Dress colour mystery solved? Expert says we're ALL RIGHT and here's why Irish Mirror 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 B Darlin Black Dress. Size 13 Juniors Mercari