Dynamic Color Scheme Generator This repository is a library, ready to use of Google material color utilities. You can check their github for the full documentation. For example, it provides a utility ...

So, i've used setBackground (Color.white) on each of the Panels, and this works. But, there are still areas around these panels that are unaffected and remain the hideous java-gray.

For a concrete example, Alexei Chmelev’s Java Curses Library (JCurses) offers a JNI-based implementation that uses curses on Unix and Win32 to provide a platform-independent text windowing toolkit.