The white and gold dress, and the illusion of free will Felipe Contreras First brain scan study to feature THAT dress BPS Is The Dress blue and black or white and gold? The answer lies in vision psychology Psychology The Guardian The Dress: Black and Blue or White and Gold? 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