Lulu's Aesthetic Pose Slate Blue and Gold Mercari The actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Lilly Pulitzer Blue White Print Slvless Dress Gold Metallic Trim Racer Back Sz 0 eBay Here's why people saw the dress differently. Here's why people saw the dress differently.