Option #1
Using Sons of Horus and Wazdakka which are a bit more muted tones of green and red
-   Wazdakka Red  
 -   Tuskgor Fur  
 -   Incubi Darkness  
 -   Sons of Horus Green  
 
Option #2
-   Sigvald Burgundy     Screamer Pink    Pink Horror     Kakophoni Purple  
 -   Terradon Turquoise    Lupercal Green    Kabalite Green  
 -   Stormfiend  /   Kroxigor Scales    Stegadon Scale Green    Sotek Green