Start out by spraying the model with chaos black.
Pants and sleeves
Step 1- Base coat with scorched brown.
Step 2- Coat with desert yellow
Step 3- Wash with brown ink
Step 4- Drybrush heavily with desert yellow
Armor and gun
Step 1- Base coat with dark angels green
Step 2- Coat with catachen green
Coat with tanned flesh
(THIS IS OPTIONAL!)
Drubrush everything with desert yellow. You could also choose other colors for this part or just skip it.
Step 1- Basecoat with chainmail
Step 2- On the tip of the barrel paint 1/2 of it with scorched brown and 1/4 of it with chaos black
And you got one handsome looking Cadian soldier
If your having problems with painting them or just want tips, just comment
Also this is the same paintscheme i used for the guys in one of my older videos-