In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color OnThisDay Ten years ago a great dress color debate was born! The dress became a viral phenomenon in 2015 with social media torn on whether the dress was blue and black or Zapaka Women Sparkly Black and Gold Mermaid Long Pageant Dress with Shawl Patchwork Sequin Strapless Gala Dress ZAPAKA a woman in a gold dress on a black background 67867024 Vector Art at Vecteezy A Line Prom Dress Royal Blue and Black, Evening Dress, Formal Dresses, DressesTailor