The Wolves use no coherent paint scheme.

Per Mercenaries Supplemental 2, page 48.

Other references:
Stinger, Mercenaries Supplemental 2 (color plates)
Awesome, CM: Mercenaries (p 56)
Quickdraw, CM: Mercenaries (p 110)


Insignia:

Their insignia is a wolf’s face on a blue and gold disk. Per FM: Mercenaries Supplemental II, page 48.