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 Black Sequin & Petals Skirt Long Train Prom Dress Xdressy Prom Dress Black Sleeve Gown Amanda Glitter Black Prom Dress Shiny Puffy Sleeve Sexy The Science Behind the Dress Illusion Eyepic Eye Care Black Gold Evening Dress Mermaid Black Prom Dresses 20's Vintage Gold Lace Sexy Formal Dresses APD3441 Is That Dress White and Gold or Blue and Black? The New York Times