The dress was a viral online phenomenon in 2015, centered on a photograph of a dress that people disagreed on whether it was blue and black or white and gold. Within a 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 Women's Designer Black Star Dresses REVOLVE Got a lot of people jokingly asking me if the dress I wore yesterday was black blue or gold white. Do you remember this viral dress debate?