An old Tamiya Luftwaffe paint mix list:
LUFTWAFFE
RLM 02: XF22:1 + XF49:1 + XF2:2
RLM 04: XF3:7 + XF7:1
RLM 65: XF23:2 + XF2:1
RLM 66: XF24 Straight from the bottle.
RLM 70: XF27 Straight from the bottle, OR XF27:3 + XF49:1 (slightly faded effect).
RLM 71: XF81 straight from the bottle, OR XF61:1 + XF49:1
RLM 73 XF24:2 + XF27:3, lightened with a touch of white
RLM 74: XF2:3 + XF24: 2 + XF27:1
RLM 75: XF2:7 + XF24:3 + XF27:.5 (yup, half a drop!)
RLM 76: XF2:7 + XF23:1 + XF66:2
RLM 78: XF23:4 + XF50:1
RLM 79: XF59:3 + XF64:1
RLM 80: XF58:6 + XF2:1
RLM 81: XF51:1 + XF64:2 OR Dunkelgrun = XF61:7 + XF60:3 (FS34083)
RLM 82: XF5:1 +XF3:1 (Bright Green)
RLM 83: XF5 Straight from the bottle.
RLM 63: XF83:8 + XF81:2
Chris