I think we would like to agree on Olive Drab,,,,,,,but, when you see paint companies do this, then you know why modelers can't agree, lol.
www.astromodel.it/.../olive-drab-colours.html , you get a larger picture if you click the bottom photo
then, you see that they also offer these separately, in addition to UA003, UA005, UA421, UA422, UA523, and 5 or 6 US uniform Olive Drabs,,,,,,and a few non-US Olives
after you see that one paint company has over 20 "Olive Drab" colors in their line,,,,,,,you get to understanding why we modelers can't agree on just what shade to use, many people will choose something from completely different paint lines than LifeColor,,,so, that is just one example,,,there might be close to 100 Olive Drab paints out there
Rex
ps, LifeColor paints are all slightly darker than the chips on their website,,at least the 84 of them that I have are