It's a cool tribute aircraft, but unless the colour balance is really off, they got them wrong. I admit in my younger days to be a plastic modelling nerd and I've got the full set of "Aircraft in Profile" and another set on Brit camouflage. And painted many a Spitfire and Hurricane in the correct colours. The underside at that time should have been what was called "Duck Egg Blue". The uppger colours were Olive and Dark Earth, if I recall correctly. It could be the result of blueish flourescent lighting, but the Olive was greener and the Dark Earth more yellowy. I'll have to look them up. Also, I'm not sure that the fuselage roundel had acquired the yellow surround at that point. Again, I'll have to dive into the books to be sure.