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 perception so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions The Dress: Blue & Black? White & Gold? Cease & Desist? CNN 10 years ago, this dress was posted on social media causing a viral debate on whether it was blue and black or white and gold. The phenomenon revealed differences in human color