The text defaults to red, the background to a dark gray. If you want different colours, select Text or Back colour when you right-click on the message window. You’ll get a standard colour choice dialogue. OR, for the background colour you can make this match your panel by selecting “Match background”. This chooses the colour immediately below the centre of the AdvDisplay window. If you want to pick a colour from elsewhere on the screen you’ll need to first undock or unlock the window, move it so that the required colour is immediately below the centre, then right click and select “Match background”. Then, of course, re-position and re-dock