If you been following-Traditional color scheme on my fourth, however I dry brushed using sand golem (speed paint), and matt white. (war paint). Both are from army painter.
The teeth is flat yellow (Vallejo) over flat white Army painter). The eyes are hive dweller Purple (army painter speed paint).
I also fixed, dry brushed, the first three, did the eyes and teeth.
More at
https://www.goodmorningsonny.com/age-of-sigmar.