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 Optical illusion renews blue and black dress debate nine years on Express.co.uk 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 Blue Wedding Guest Dresses Azazie This Dress is Blue and Black, Right? What Colors do You See? The dress turned 11 and it's STILL white and gold PERIOD. Eleven years later the color swatches are right there and people who see blue and black are proving your eyes lie