Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists later explained Is it white and gold or blue and black? The truth behind the dress debate. CooperVision Blue or Gold? #THEDRESS. The Dress by Vicky Chen Clear as Mud Medium Blue Dress Illusion White And Gold Dress Real Color Optical Illusion White And Gold Or Blue Is the dress blue or gold? The phenomenon originated in a photograph of a dress posted on Facebook in 2015. The dress was black and blue, but the conditions of the photograph The world's most famous optical illusion turns 10 years old Creative Bloq