Pearlescent spheres come in primary colors such as silver, bright gold, metallic, iridescent interference hues, and chameleon series. Anmei Mall notes that pearlescent powders are further categorized by particle size based on application direction and desired effect: smaller particles offer stronger coverage, while larger particles deliver greater luster. The printing industry imposes strict particle size requirements: smaller particles are suitable for offset printing, while larger particles deliver superior results in flexographic and gravure printing.