Based on a mix of Duncan's plague marines video and CHK Minis Typhus video

Green Armor

1. Base with Heavy Green
2. Mix of Heavy Green and Orruk Flesh , about 40/60
3. Mix of Heavy Green and Orruk Flesh about 30/70
4. Orruk Flesh
5. Ice Yellow and Orruk Flesh , about 70/30
6. Ice Yellow and Ivory , about 50/50
7. Glaze AK Cold Green in shadows
8. Glaze Laser Yellow in light
9. Final highlight of Greenish White

Postules

1. Screamer Pink
2. Carroburg Crimson
3. Dark Sun Yellow
4. Seraphim Sepia
5. Skulker Yellow
6. Vampire Fang or Dorn Yellow

Tentacles and flesh

1. Base with Elven Skin
2. Guilliman Flesh
3. Add some Magos Purple if you want a more purple shade
4. Berserker Bloodshade
5. Highlight with Flayed One Flesh or Pink Horror

Intestines

1. Base with Elven Skin
2. Volupus Pink
3. Guilliman Flesh , Berserker Bloodshade or Nuln Oil depending on how dark you want it to be
4. Highlight with Pink Horror or Flayed One Flesh

Steel

1. Base with Sir Coates Silver
2. Wash with Agrax Earthshade , mix with some Nuln Oil if you don't want it as dirty
3. If needed, reapply some Sir Coates Silver
4. Highlight with Mythril Blade

Bronze

1. Base with Spartan Bronze
2. Wash with Agrax Earthshade , mix with some Nuln Oil if you don't want it as dirty
3. If needed, reapply some Spartan Bronze
4. Highlight with Glistening Gold

Bone

1. Base with Skeleton Legion
2. Wash with Skeleton Horde , add more layers of wash as needed
3. Reapply some highlights with Skeleton Legion
4. Highlight with Vampire Fang