@Override
	public void restoreThemeValues() {
		update(() -> {
			applicationDefaults = loadApplicationDefaults();
			buildCurrentValues();
			lookAndFeelManager.resetAll(javaDefaults);
			notifyThemeChanged(new AllValuesChangedThemeEvent(false));
		});
	}
Initialized the Theme and its values for the application.
Ghidra/Framework/Gui/src/main/java/generic/theme/ApplicationThemeManager.java