John,
Wanted to give you a follow up if you weren't too far along yet.
As you paint your figures, the branch colors used in the piping you want to look for are listed below:
Airlanding, Line Infantry, Volksgrenadiers, Fortress, Reserve, Training, Depot, all use white for their branch color.
Rifle Divisions and brigades use Light Green
Assault troops (Luftwaffe -Sturm), , use Gold Yellow
Mountain units use Light green
Mobile Troops:
Panzer regiments and battalions use Pink
Armored Infantry (Panzer Grenadiers) use Grass Green
Motorized Grenadiers use White
Recon Fusiliers use White
Anti Tank (Panzerjagers) Pink
Artillery:
Artillery units use bright red
Armored artillery, Assault Artillery, AA Artillery, use Bright red
Rocket launcher units use Bordeaux red
Engineers:
Armored Engineers, Mountain engineers and Pioneers use Black
Signals corp use Lemon Yellow
Supply troops use Light Blue
Medical troops use Dark Blue
Veterinary use Crimson
Security Trrops:
MP's use orange
Hope this helps,
Mike