RAF & FAA WW2 Tamiya Acrylic.

I haven't tried them myself, but merely collected them from various forums and pdf’s.

Azure blue XF16:2 + XF2:10 + XF18:5

Dark earth XF:52:1 + XF64:1

Dark green XF81

Dark sea grey XF54

Dark slate grey XF22:19 + XF7:1 + XF1:4

Extra dark sea grey XF24:50 + XF2:6 + XF8:3

Interior grey-green XF5:1 + XF21:3 + XF65:1

Light sea grey XF25

medium sea grey XF83

Middlestone XF59:1 + XF60:1

Ocean grey XF82

PRU blue XF18:2 + XF21:1 (Ad a tiny bit of X8 for a richer blue tint.)

Sky XF21

Sky grey XF19

Slate grey XF22