Step 1:
Extract your Black ops .gpd (not going into detail)
Step 2:
Download the program needed here Black Ops Colored Classes.zip You must login or register to view this content.
Step 3:
Click black ops .gpd editor and the open you extracted gpd
Step 4:
Look in the far right segment and you will see you class names, change to whatever you like and here are the color codes:
Step 5:
Inject the modded gpd into you profile then rehash and resign with Modio or something
Step 6:
Put profile back onto hard draive / usb
Done!
!!!IMPORTANT!!!
Don't put more that 16 characters for a class and colors count a 2
If you go on a modded gt and then go back on your reg profile yur colored classes will go away