Actually, it's not really what i'd call 'fine'. It's too light for real Panzer Grey (RAL 7021), which is a very dark grey. It should be something closer to this:
(monitors will vary though)

look at the 7021 chip
http://www.themeter.net/ral_e.htm

this is a Stug III, but it's a good example I think
http://www.track48.com/gallery/ww2/a...ney-index.html