Opalescent in a sentence as an adjective

Id=gallery&pk=457 They use opposite colors for the foreground which makes it look opalescent and gray at the same time.

Opalescent definitions

adjective

having a play of lustrous rainbow colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"

See also: iridescent nacreous opaline pearlescent