Tumblr Is Freaking Out Over the Color Changing Dress Business Insider 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. Tumblr's Ambiguous Dress and other Illusions ianfryer Trendy Beaded Appliques White A Line Round Neckline Floor Length Prom Dress Handmade My Mum Was At The Centre Of The Biggest Story On The Internet And I Had No Idea ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive