Pathfinders
The Ranger`s paint their machines a camouflage olive drab and forest green with black and brown highlights.
Per Mercenaries Supplemental, page 28.
Other references:
Charger, Mercenaries Supplemental (color plates)
Awesome, CM: Mercenaries (p 109)
The unit insignia is a white oak tree set on a black disc. Per FM: Mercenaries Supplemental, page 28.