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 High Neck Long Sequin Formal Dress with Long Sleeves PromGirl Sequin High Neck Pencil Dress BHLDN High Neck Sequin Slim Maxi Dress Anthropologie Buy Friends Like These X Lucy Mecklenburgh Mocha Brown Sequin High Neck Midi Dress from Next USA Gold Sequin Dresses & Gowns The Science Behind the Black and Blue (or White and Gold) Dress