Gold and white or blue and black?' optical illusion dress from 2015 found at yard sale 9Honey The world's most famous optical illusion turns 10 years old Creative Bloq 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 Man behind 2015 viral 'dress' meme charged with trying to kill his wife Why did some people see a gold and white dress? Our Brain YouTube