Stealing the concept from https://www.reddit.com/r/Warhammer40k/comments/1446vl1/10th_is_just_round_the_corner_and_what_better/

Base tone / skin

1. Prime white
2. Agrax Earthshade all over
3. Consider second layer?
4. Ivory as highlight?

Carapace

1. Flesh Tearers Red
2. Probably Wild Rider Red highlights

Fleshy bits

1. Volupus Pink followed by Squid Pink highlights

Misc

1. Claws in Black Templar

Blue bits

1. Bold Titanium White
2. Terradon Turquoise
3. Baharroth Blue

Base

1. Valhallan Blizzard followed by Militarum Green ?