Physics The Color Name API is a powerful tool that provides a variety of color names based on a given color value. It leverages multiple open-source name lists to deliver accurate and diverse results. This page serves as an interactive playground where you can explore and test the API in action. The Color Name API allows you to query for color names based on hex values. You can specify multiple colors, choose a color name list, and control whether to return unique names. Use the interactive URL builder below to construct your API request. What makes the Color Name API unique is its ability to return a single, most relevant color name for each color value. When the noduplicates parameter is set to true , the API ensures that every color requested carries a unique name, avoiding redundancy and confusion. Color Name Lists The Color Name API uses a variety of open-source color name lists to provide accurate and diverse results. You can choose from these lists to get the most relevant color names for your needs. Click the list keys below to preview the names in your request.