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. Scientists later explained Gold Standard Multicolored Kimono Dress L Size Women's Dresses 12th Tribe 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 The Dress divided the Internet, but it's really about subtraction Science News OTOMI GOLD KIMONO M Color Debate: The Gold and White vs. Black and Blue Dress TikTok