Can you believe it's been 10 years already? In 2015, this dress absolutely broke the internet. Some people saw white and gold. Others were convinced it was blue and black. And The science behind the dress colour illusion Internet The Guardian Sky Blue Corset Cutout Long Formal Dress with Slit, Sky Blue Custom Size Ocean Blue Sequin Asymmetrical One Sleeve Mermaid Prom Dress Ocean Blue Sequined Plunging Neck Homecoming Prom Dress 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.