So I decided to try some camo Sisters. Move over, Raptors.
Two tones of green here, the first is INSTAR's Alpha Army Grey (the armor), the other Seaweed Green (the cloth). First time using anything from their alpha range and I really do like it. Fantastic through the airbrush without thinning is really nice for edge highlighting.
Washed the Army Grey with Contrast Militarium Green/Contrast Medium 1:3 (so, very thin) then worked the Army Grey back up with a edge highlight of INSTAR Dust Brown.
Cloth was washed with Coelia Greenshade/Water 1:1, worked back up the Seaweed Green and highlights with Army Grey. Having the cloth being fairly close to the armor in terms of color helped mitigate the difficulty of painting the Sister's robes (fiddly), as it's hard to spot any errors or missed areas.
Black elements are Contrast Black Templar with Army Grey highlights, brown are Vajello Model Air Tan Earth and Contrast Wyldwood.