Index: simplestyle.py
===================================================================
--- simplestyle.py	(revision 20207)
+++ simplestyle.py	(working copy)
@@ -205,10 +205,15 @@
             return tuple(converted_numbers)
         else:    
             return (0,0,0)
-        
-    r=int(c[1:3],16)
-    g=int(c[3:5],16)
-    b=int(c[5:],16)
+    try:    
+        r=int(c[1:3],16)
+        g=int(c[3:5],16)
+        b=int(c[5:],16)
+    except:
+        # unknown color ...
+        # Return a default color. Maybe not the best thing to do but probably
+        # better than raising an exception. 
+        return(0,0,0)
     return (r,g,b)
 def formatColoria(a):
     """int array to #rrggbb"""