This Dress is Blue and Black, Right? What Colors do You See? The Dress: Color debate rages on the Internet East Bay Times Neuroscientists Explain Discrepancy Behind "The Dress" Illusion 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 The dress of many colours: is it blue and black or white and gold?