Here's why people saw the dress differently. 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 I See White and Gold, but the Dress Taught Me How We Shape Our Own Reality by Shaant A Culturated Medium so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions