Disney Women's The Little Mermaid Ariel Blue Dress Costume Walmart.com ARIEL Walks on Land LITTLE Mermaid Costume CHILD Size Etsy Black vs. Brown Eyeliner: Which Should You Choose? : r makeuptips 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