Knees and shoulders colour options


I'm about to move on to the knees and shoulders but I'm not entirely sure on the colours for these. I live in Europe so don't have easy access to things like Model Master, Floquil and Testors. I can get Archive-X, Tamiya and Humbrol, although I don't really like the latter. Archive-X does an SP Armour Yellow and a Reefer Yellow, but not sure which would be used where, and what to use for the Burnt Sienna in the RafalFett templates.