Dressgate: If you saw THAT dress as white your brain was working overtime Picture Of Viral Blue And Black Dress Also Shows White And Gold, And Twitter Is Arguing Over It Again Evie Magazine Is The Dress blue and black or white and gold? The answer lies in vision psychology Psychology The Guardian 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 Science explains why people can't agree on the color of this dress CBS News Optical illusion renews blue and black dress debate nine years on Express.co.uk