opaline
1. [ adjective ] (color) having a play of lustrous rainbow-like colors
Synonyms: opalescent nacreous pearlescent iridescent
Examples:

"an iridescent oil slick" "nacreous (or pearlescent) clouds looking like mother-of-pearl" "a milky opalescent (or opaline) luster"

Related terms: bright
Similar spelling:   opulence
  Oplinger
  Opiliones
  opulent
  opulently