Sequin Cocktail Dresses, Long Formal Gowns with Sequins Color scientists explain the dress that went viral RIT Chic Black Long Gold Lace Embellished Velvet llusion Neck Evening Prom Dress 38 BLTIBY 2025 Women Sequin Evening Dress Hip Wrap V Neck Ruched Waist Sleeveless Glitter Cocktail Party Slim Formal Gowns with High Split Black XL Walmart.com 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 Optical illusion renews blue and black dress debate nine years on Express.co.uk