What is the longest color name?

The longest color name in the English language is "Pantone 116 CVC." Pantone is a standardized color matching system used in various industries, including printing, fashion, and design. The specific shade referred to as "Pantone 116 CVC" is a bright yellow color that is used in branding, packaging, and other applications. The Pantone color system assigns unique numbers and names to each color, making it easy to communicate and reproduce specific colors accurately.