Yes, Premier parts can be painted. They recommend using SEM Color Coat Aerosol Products. 

• SEM Technical Data Sheet and Application Instructions

However, any paint that is specifically designed for plastic should work on Premier parts, which are manufactured with a PVC-Acrylic material commonly referred to as KYDEX. Retail stores that sell automotive paint can be helpful with paint choices as most of automobile interiors are made from KYDEX also.