1. changeable, chatoyant, iridescent, shot -- (varying in color when seen in different lights or from different angles; "changeable taffeta"; "chatoyant (or shot) silk"; "a dragonfly hovered, vibrating and iridescent")
2. iridescent, nacreous, opalescent, opaline, pearlescent -- (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")
1.
He played with the idea and grew wilful tossed it into the air and transformed it let it escape and recaptured it made it iridescent with fancy and winged it with paradox. - from The Picture of Dorian Gray by Oscar Wilde