protected static Color getFillColor(Color c) {
		int red = (c.getRed() + 3 * COLOR_VALUE) / 4;
		int green = (c.getGreen() + 3 * COLOR_VALUE) / 4;
		int blue = (c.getBlue() + 3 * COLOR_VALUE) / 4;
		return ColorUtils.getColor(red, green, blue);
	}
Returns the Navigator Icon for this marker set

@return the Navigator Icon for this marker set
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/marker/MarkerSetImpl.java