A darker color may help the pearl show more

[1421 Galactic Sand is a bright yellow color with brass pearl

This would not look right over white

and removing any above surface bonded contaminants using detailing clay or a clay substitute

Harley Davidson Motorcycle Yellow Aerosol Paint - 1K Basecoat white bmw motorcycle colors A darker color may help(Available in 1K Base Coat Paint (10. 1 oz)) Our automotive spray paint is a high quality, urethane based auto paint. The Spray Max aerosols have more yield, faster work speed, and a broader spray pattern than conventional aerosols. Innovative spray nozzle and valve technology in combination with new propellant technology delivers professional "spray gun like" results. Spray Max is suitable for many applications, e. g. motor vehicles, motorcycles,