@Override
			public void actionPerformed(ActionContext context) {
				ClearColorCommand command = new ClearColorCommand(service);
				tool.execute(command, currentProgram);
			}
A plugin to provider actions for manipulating the colors of the {@link CodeViewerService}.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/colorizer/ColorizingPlugin.java