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 Dorothy Perkins UK Navy Blue & Black Lace Cocktail Dress Size 20 Brand New With Tags RRP $89.00 (s) Blue Dorothy Perkins Spot Frill Sleeve Ruffle Detail Printed Midi Dress PrettyLittleThing IE Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say Dress Debate Persists Ten Years Later