For the solid green, use the green color from this scheme. Check photos. The earlier in the time period, the more solid green ones. The later into the 80s you go, the more aircraft on a deck have been converted.
Harriers went through the following evolution:
Again, check photos, and the earlier in the period, the more likely to be in the earlier colors.
There is a third Harrier scheme, but I believe this is current, and was not gone to until beyond the period you ask about. Here it is for reference, however:
: Can anyone tell me a reference for what they
: looked like and what are good color matches
: please ?