im not honestly sure on armor colors. i mostly do WWII japanese and luftwaffe. only armor i have is the M2 bradley witch i haven't built yet.
what kit are you building and what are the color codes the instructions give you?
tamiya 1/48 P-47D $25 + shipping
tamiya 1/48 mosquito $20+ shipping
hobby boss 1/48 F-105G. wings and fuselage cut from sprue. $40+ shipping.