Three years of research into #thedress, digested BPS Dressgate: If you saw THAT dress as white your brain was working overtime The Dress: An Interactive Classroom Experiment by Andrew Robinson Precarious Physicist Medium White & Gold Or Blue & Black? Debate Over Dress Color Rages On 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