What is the appropriate antibiotic to use with my cDNA clone?

Clones are provided as E. coli cultures in LB broth with 8% glycerol, an inert growth indicator, and the appropriate antibiotic at the concentration indicated either from our website or using the tube cap color as an identifier. The cap color codes are below: Red - Ampicillin (100�g/ml)Black - Chloramphenicol (25�g/ml)Green - Kanamycin (25�g/ml)