1. Prime black

Black Armor

Basecoat with Black , layer with Dark Reaper and edge highlight with Fenrisian Grey

Grey Armor

Basecoat with Dawnstone , wash with Nuln Oil , layer with Dawnstone and edge highlight with Administratum Grey and Ulthuan Grey

Markings

Yriel Yellow

Lens

Basecoat with Evil Sunz Scarlet and highlight with a 1:1 mix of Orange Red and Dead White

Dark grey

Basecoat with Mechanicus Standard Grey , wash with Nuln Oil , layer with Mechanicus Standard Grey and highlight with Dawnstone

Copper

Basecoat with Hashut Copper , wash with Reikland Fleshshade , layer with Hashut Copper and highlight with Liberator Gold

T'au skin

Basecoat with The Fang , wash with Drakenhof Nightshade , and highlight with Russ Grey and Fenrisian Grey