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 Dress Royal Blue Women's Dress Sofia Godinho How "The Dress" Became an Illusion Unlike Any Other Scientific American Can't believe it's been 10 years The black and blue dress, which sparked a viral debate about its colors, was shared on Tumblr 10 years ago, igniting widespread discussion and differing