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 Is That Dress White and Gold or Blue and Black? The New York Times What I never understood was if some folk saw the original dress as white gold & some saw it as black blue then how do side by side images like this exist showing them as two The Science Behind the Black and Blue (or White and Gold) Dress