The science behind the dress colour illusion Internet The Guardian 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. Scientists later explained Plus Size, Plus Size Women's Lace Trim Bridesmaid Dress, Wedding Party Attire, Semi Formal * Bridal Shower Wedding Guest Blush Pink and Black Tulle Evening Gown Floral Embroidered Corset Back Wedding Dress Plus Size Plus size formal dresses and or wedding guest dresses , These dresses are from @azazieofficial @azazie_australia #ad, Dresses shown:, Jessenia Black Maxi Dress , Azazie Lyra (stretch satin), Azazie 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