descriptive, expression · deep green, often describing lush vegetation

苍松翠柏漫山遍野。

idiom · ash-gray or pale, typically referring to hair or complexion

他已是白发苍苍的老人。

noun · dark blue, especially describing the sky

苍天不负有心人。

proper name · surname Cang

苍先生在当地很有名望。