Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPainter.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPainter.java	(revision 5430)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/MapPainter.java	(revision 5431)
@@ -865,4 +865,7 @@
         if (!isOutlineOnly) {
             if (fillImage == null) {
+                if (inactive) {
+                    g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.33f));
+                }
                 g.setColor(color);
                 g.fill(area);