Image-Color-Picker.com is a web-based online app created to make it easy for users such as graphic designer or web designer to find out the color codes on image or logo.
Pika Alternatives
Pika is described as '(pronounced pi·kuh, like picker) is an easy to use, open-source, native colour picker for macOS. Pika makes it simple to quickly find colours on screen, in the format you need, so you can get on with being a speedy, successful designer' and is a Color Picker tool in the photos & graphics category. There are more than 50 alternatives to Pika for a variety of platforms, including Windows, Mac, Web-based, Linux and iPhone apps. The best Pika alternative is Microsoft PowerToys, which is both free and Open Source. Other great apps like Pika are Just Color Picker, gpick, Realtime Colors and Instant Eyedropper.