i use code wa 9021 in diamont. it is a basf paint line (rm) called silver metallic wheel color. used on cadillac cts, denali, g6, caddie sts, tahoe and yukon. nice color, kinda makes the rims pop!! check the color chips there are many shades of wheel paint. here is an m with the wa 9021 in diamont base clear. tractor was shot in crossfire urethane.