Long Green Velvet Dresses Windsor green emerald velvet dress Cap Sleeve Gold Lace Prom Dresses See Through Neckline Formal Dress ARD1967 How "The Dress" Became an Illusion Unlike Any Other Scientific American Photo finally solves the black and blue white and gold dress debate 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