The Second Raiders use a green and gray color scheme, with color banding distinguishing battalions and other sub-units.
Per FM:Federated Suns, page 61.
The insignia of Chisholm’s Raiders is a blue disc on which is a black triangle representing a native American shield. Radiating out from the shield are six white arrows, each pointing in a different direction. Recently a fan of feathers was added to the base of the shield In addition to the regular Raider insignia, the Mechs, vehicles and fighters of the Second bear a stylized Native American headdress. Per FM:Federated Suns, pages 59 and 61.