How "The Dress" Became an Illusion Unlike Any Other Scientific American ZQUUVOU Women's Knit Dress Bodycon Long Sleeve Square Neck Mini Dress Black,M Walmart.com In February 2015, a photo of a striped dress posted online unexpectedly turned into a worldwide argument. Some viewers swore it was blue and black, while others were convinced it was white Why did some people see a gold and white dress? Our Brain 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 So I searched up the black and blue dress : r opticalillusions