In the Tool Options, check or simply click the "Pick from Screen" button to grab a color from your browser or wallpaper.
The easiest way to get this on Linux Mint is via Flatpak: flatpak install flathub nl.hjdskes.gcolor3 Use code with caution. (Note: This is often listed as Gcolor3 in repositories). 3. Pick (The Minimalist Choice)
Clean UI, quick copy-to-clipboard functionality, and support for multiple formats (Hex, RGB, HSV).
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