Viral online dress debate turns 10. What colours do you see? 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 The Infamous White and Gold Dress Turns 10 Today The black and blue, gold and white dress by Julian Burford on Dribbble How does a black and blue dress sometimes appear white and gold? The Brains Blog