public void setBackgroundColorModel(BackgroundColorModel model) {
		Color currentDefault = backgroundColorModel.getDefaultBackgroundColor();
		if (model == null) {
			model = new DefaultBackgroundColorModel(currentDefault);
		}
		backgroundColorModel = model;
		backgroundColorModel.setDefaultBackgroundColor(currentDefault);
	}
Sets the default background color

@param c the color to use for the background.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/FieldPanel.java