In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color 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 so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions Why did some people see a gold and white dress? Our Brain