In November/ December 1939 Luftwaffe day fighters switched to more offensive scheme of RLM 02+71/65. It was again modified around May 1940 to include soft mottling of RLM 02 (or 71) on fuselage sides, engines and tail.
HTK-C017 – Dark Green (RLM71) – Used for upper surfaces in “two-green” splinter scheme and on day fighters during the Battle of Britain
HTK-C023 – Grey (RLM02) – Used for upper surfaces of day fighters during the Battle of Britain. Also for mottling / spray over camouflage
HTK-C029 – Light Blue (RLM65) – Standard colour of lower surfaces in early WW2 period. From late 1939 raised to fuselage sides of day fighters