The Typhoon departed slightly from 'standard' regarding the interior colours etc. For the period you will be modelling, the cockpit was predominantly black, so a very dark grey will do it for scale appearance. The tubular framework in the lower cockpit, and the heel boards, were painted either silver of cockpit grey green, although the latter were often black, scuffed, with the bare metal showing through. The pilot's seat was again silver, although sometimes grey green, and the armour plate, front and rear, was black. Seat harness at this period was buff colour. The seat (back) cushion, if fitted, was a light, sage green.
Wheel wells and the insides of the landing gear doors were 'Aluminium', a silver painted finish, wheel hubs were natural (alloy) metal, a dull silver colour.
Although the engine bay can't be seen, unless you do a major scratch-building exercise, the inside of the 'chin' radiator housing, front and back, was silver, with the radiator matrix dull grey metal, and the centrally mounted oil cooler intake etc with a dull silver-grey surround.
Prop blades were semi-matt black, with 4 inch yellow tips.
Camoflage colours were Dark Green and Ocean Grey (or Dark Sea Grey) upper surfaces, and Medium Sea Grey undersides. Yellow ID stripes to the wing leading edges, and an 18 inch Sky band on the tail. Aircraft in 2 TAF were supposed to have black spinners, but examples of Sky spinners were still known - check references for specific aircraft.
Code letters were Sky, serial numbers black.
From the eveing of June 5th 1944, the 18 inch wide black and white AEAF stripes were applied in the 'standard' positions, the underwing and fuselage top and side stripes being removed by early July in most cases.
Phew! This is the third time I've done this for someone!