Pick a color from anywhere on your screen and save it in one of the common color formats.
Coulr Alternatives
Coulr is described as 'Color box to help developers and designers' and is a Color Picker tool in the photos & graphics category. There are more than 50 alternatives to Coulr for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best Coulr alternative is PicPick. It's not free, so if you're looking for a free alternative, you could try PicPick or gpick. Other great apps like Coulr are Instant Eyedropper, Sip, KColorChooser and Pixie.