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 Formal Dresses & Evening Gowns Nordstrom One Sleeve One Shoulder High Slit Black Prom Dress Xdressy The White and Gold (No, Blue and Black!) Dress That Melted the Internet The New York Times