Illusion Blue Or White And Gold Dress Optical Illusion Dress Inspires Halloween Outfit In Blue, Black Blue Black White Gold Dress What Color Black And Blue Dress Illusion Explained Dress Gold Or Black and Blue or White and Gold? How Your Brain Sees 'the Dress' Business Insider The dress is blue & black! 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress 10 years since THE DRESS blew up Internet. Two thirds of people saw white and gold. Its an optical illusion caused by weird lighting and an overexposed background. It Is actuallylly blue and black.