Gorgeous Spaghetti Straps Sage Green Mermaid Prom Dresses Long luladress Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider You Can Now Buy 'The Dress' In Either Blue And Black Or White And Gold LF 7828 Off the Shoulder Long Sleeve Mermaid Prom Gown with Sheer Boned Bodice L EMERALD Let's finally decide: was the dress blue and black or white and gold? 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