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 Gold Beaded Prom Dress with Royal Blue Tulle Skirt loveangeldress 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 What colors do you see? Do you see the dress as black and blue or white and gold? This dress sparked a viral debate back in 2015. , This phenomenon, called color constancy, demonstrates how our Like a Royal: Six Royal Blue Prom Dresses Fit for a Queen