The dress is black & blue, but here's why you can't tell TJ Kelly 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 Stunning Rose Gold Long Sleeve Mermaid Prom Dress VQ What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience