| adjective | varying in color when seen in different lights or from different angles “changeable taffeta” |
| adjective | having a play of lustrous rainbow colors “an iridescent oil slick” |
| changeableness | noun | the quality of being changeable; having a marked tendency to change |
| iridescence | noun | the visual property of something having a milky brightness and a play of colors from the surface |
| iridesce | verb | be iridescent |
| opalescence | noun | the visual property of something having a milky brightness and a play of colors from the surface |
| opalesce | verb | reflect light or colors like an opal |