Here's why people saw the dress differently. Dress Black Gold Illusion Striped Dress Illusion Viral Dress Color The Dress Black And Blue The Dress Strikes Back: A New Viral Optical Illusion Emerges Observer So I searched up the black and blue dress : r opticalillusions 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