This Recipe is not done and shouldn't be used as one. Its a cheat sheet i created to get some sorted guidance. 
Colors chosen are from comments of the creator of  https://www.instagram.com/golgoth_17/
  Green Power Armor
- Prime  Death Guard Green  
 - Recess Shade | Filtering  Athonian Camoshade  
 - Medium Color  Elysian Green  
 - Lightest Colors  Ogryn Camo  
 - Edge Highlights  Krieg Khaki  
 - Brightest Highlights  Screaming Skull  
 - Filtering
AK Interactive Streaking Grime + White Spirits 80/20 Mix - Rebrighten Highlights, Adjust Colors if necesarry.
 
Leather Parts
- Base Color  Burnt Umber  
 - Medium Color  New Wood  
 - Lightest Color  Gold Brown  
 - Edge Highlights  Iraqi Sand    Morghast Bone  
 
Rubber Parts
- Base Color  Dark Rubber  
 - Medium Color  Russian Tank Crew I 
 - Lightest Colors  Light Grey   Sky Grey  
 - Edge Highlight  Offwhite  
 
White Power Armor
Base Coating
- Base Colors  Sky Grey 
 - Medium Colors
   White   - Vallejo Mecha Color White 50/50 Water Mix
 
Shading
- 50/50 Mix   Seraphim Sepia  &   Soulblight Grey 
 - Gradient Paint Starting from 2/3 of the Top to the Bottom
With each layer, start gradient lower  
Filtering
- AK Interactive Streaking Grime 80/20 White Spirits Mix
 - Rebrighten Highlights, Adjust Colors if necesarry.
 
Lenses
-   Mechanicus Standard Grey  
 -   Thousand Sons Blue    Ahriman Blue  
 -   Thunderhawk Blue  
 -   Ahriman Blue  +   White