I've never understood the white gold side of the dress illusion but after modifying someone else's picture to make this one I can (kind of) see it. : r opticalillusions Here's why people saw the dress differently. Is this Adidas Jacket Blue and White or Black and Brown? MaterialDistrict 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