For now you can install another extension like ColorZilla to pick the color, and use the QuickPaste button to get it in bismuth. Implementing a custom EyeDropper is currently out of scope, either wait ...

Bismuth, a brittle metal with a silvery-white color, is found in the earth’s crust. It’s often as a byproduct of mining other metals such as lead, copper, and tin.

Bismuth is an unusual element that we don't encounter much in everyday life. But this pretty, iridescent metal, found near ...