so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions This Dress is Blue and Black, Right? What Colors do You See? Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider 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