Hi all,
The things geronimo said are true.
Vehicles painted "olive-drab" were painted in RAL 6014 (German paint discription). For this color try using Revells No. 46 for a bleached paint.
Nato 3-color camo is Bronzegrün, Lederbraun and Teerschwarz.
They are also avaiable from Revell.
Greetings
armyarne