So I searched up the black and blue dress : r opticalillusions 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 so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Rio Vibes Bandage Maxi Dress Blue Fashion Nova First brain scan study to feature THAT dress BPS Wolf of Wall Street Blue Dress