Literature Reference: 群公苍玉珮，天子翠云裘。—— 《更题》 The ministers wear jade pendants of deep green, while the emperor dons a robe of emerald clouds. Source from 'Geng Ti'.
苍: Indigo blue, deep green.
玉: Jade, often referred to as precious jade, in names typically signifies something rare and beautiful, believed to enhance both wealth and interpersonal relationships.
Meaning: Cangyu symbolizes nobility, purity, and resilience, like the eternal preciousness of jade.