Here are some Colour Recipes for Combined Armys from GALLERY: INFINITY TOHAA lvl 4. Please take note that this is a simple colour scheme, not covering multiple overlapping layers and blends inbetween, that lead to the final product. It is supposed to be used as guidline not a step-by-step.
BLACK/GREY armour & weapons:
Black Undercoat,
Panzer Dark Grey (Val),*
Fenrisian Grey (GW), l&p
Pallid Wych Flesh (GW), l&p
Dark Tone Ink (AP),
Pallid Wych Flesh (GW), l&p
Hexen Lichen (Val),
Genestealer Purple (GW), flbr
Dechala Lilac (GW), l&p
Purple Tone Ink (AP),
Dechala Lilac (GW), l&p
Pallid Wych Flesh (GW), l&p
BONE armour:
Mix Fenrisian Grey (GW) 1:5 Wolf Grey (Val),
Mix Strong Tone Ink (AP) 1:1 Soft Tone Ink (AP),
Pale Wych Flesh (GW), l&p
CHAKSA skin:
Sand Yellow (Val),
US Light Grey (Val),
Mix Strong Tone Ink (AP) 1:1 Soft Tone Ink (AP),
Flayed One Flesh (GW), l&p
GREEN light:
Duck Egg Green (Val), p
Light Livery Green (Val), *
Waywatcher Green, glaze
l&p – lines and points,
p – points,
bl – blend,
gl – glaze,
drbr – drybrush,
flbr – flatbrush,
stpl – stippling,
*Airbrushed (with multiple layers and mixes)