The Science of Why No One Agrees on the Color of This Dress WIRED How does a black and blue dress sometimes appear white and gold? The Brains Blog This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see 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