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 Women's Black And Gold Dresses REVOLVE Is That Dress White and Gold or Blue and Black? The New York Times The Gold Dress Or Blue Blue Black Yellow White Dress Blue And Yellow Dress Illusion Dress Buy Sprinkled Gold Glitter Black Skater Dress Party Dress Online in India Etsy Yellow Dress Original Gold And White Black And Blue Optical Illusion: Dress Colour Debate Goes Global BBC News