The science behind the dress colour illusion Internet The Guardian Long dark blue dress with pleats. Golden color detail in neckline GUNTINA Explore Royal Blue and Gold Dresses and Clothing for Every Style 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 Elle Fanning Inspired Light Blue Celebrity Formal Dress Xdressy