How does a black and blue dress sometimes appear white and gold? The Brains Blog Women behind dress that broke the internet speak out almost a decade later The Dress Debate: Black & Blue or White & 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 Is that dress blue & black or white & gold? Matilda's Lab