Multicolr is an online tool developed by TinEye Labs that allows users to search for images based on their color. The website provides a color wheel that users can use to select up to five colors, and then searches a database of over 20 million Creative Commons images to find matching results.

The tool is useful for designers and creatives who are looking for images that match a specific color palette. Multicolr also provides a range of advanced search options, such as filtering by license type and image orientation, to help users find the perfect image for their project. Overall, Multicolr is a unique and innovative tool that makes it easy to search for images based on their color.