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 Gold Metallic Dress Pleated Mini Dress Lace Up Mini Dress Lulus How "The Dress" Became an Illusion Unlike Any Other Scientific American ZARA GOLD MESH SLIP DRESS XS S M L NWT eBay Is The Dress blue and black or white and gold? The answer lies in vision psychology Psychology The Guardian