Install libcolorpicker-java by entering the following commands in the terminal:
sudo apt update sudo apt install libcolorpicker-java
Description:
Java control to allow color selection
A java package containing a color wheel picker for selecting a color. It can be customized, but out of the box it offers a great interface if you're dealing with a power user.
Homepage: https://github.com/dheid/colorpicker
Version: 1.0.0-3
Section: universe/java