@Override
	public String getToolTipText(MouseEvent e) {
		Color color = getColorForLocation(e.getX(), e.getY());
		return color.getRed() + ", " + color.getGreen() + ", " + color.getBlue();
	}
The background color, foreground color, and font are already set to the
defaults from the defaults table before this method is called.
Ghidra/Framework/Docking/src/main/java/docking/options/editor/SettableColorSwatchChooserPanel.java