Skin by Miniaturopolis

Dark skin: Catachan Fleshtone base, shade recesses 2:1 Druchii Violet and water, deep recesses 1:1 Rhinox Hide and Abaddon Black , reapply basecoat, then progressive highlight 3:1 to 1:1 Catachan Fleshtone and Knight-questor Flesh ,progressively add Kislev Flesh until 1:1.5 kislev, glace 4:1
Pale skin: basecoat Flayed One Flesh , shade recesses with thinned Reikland Fleshshade , shade deep recesses with heavily thinned 4:1 Doombull Brown and Abaddon Black , reapply basecoat, then from 3:1 to 1:1 Flayed One Flesh and Pallid Wych Flesh , add White Scar until 1.5:1 mix:white, glaze 4:1 Reikland Fleshshade to Mephiston Red
Mid Skin basecoat Knight-questor Flesh , shade recesses 2:1:2 Reikland Fleshshade , Agrax Earthshade and water.
Shade deep recesses 2:1 Catachan Fleshtone and Abaddon Black
Reapply your basecoat
Highlight 3:1 Knight-questor Flesh and Cadian Fleshtone then progressively to 1:1
Add a dot of Ushabti Bone and keep going until you get to 1:1:2 Knight-Questor Cadian Ushabti
Glaze 4:1 Druchii Violet and Khorne Red heavily thinned on flushed areas, then retouch final highlight
Basecoat Cadian Fleshtone
Shade recesses 2:1 Reikland Fleshshade:Water
Shade deep recesses 4:1 Doombull Brown:Black heavily thinned
Reapply your basecoat
Highlight 3:1 Cadian Fleshtone: Ushbati Bone, then progressively to 1:1
Add a dot of white and keep going until you get to 1:1:2 Cadian Ushbati White
Glaze 4:1 Carroburg Crimson:Khorne Red heavily thinned on flushed areas, then retouch final highlight
Optional extras: A glaze of Druchii Violet round the eyes to look tired and haggard
A shade of thinned Athonian Camoshade to look sickly
A shade of thinned Carroburg Crimson makes lighter skin look inflamed and flushed, and darker skin ruddy and warmer