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 Iris Gown Dusty Blue Floral Embroidered Wedding Dress with Square Neck & Pockets Dusty Blue 0 The Science of Why No One Agrees on the Color of This Dress WIRED Dress drama: Blue and black or white and gold? What's the science? Genetic Literacy Project Long A Line Chiffon Wedding Guest Dress Grey Blue Bridesmaid Dress This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see