Literature Reference: 烟开虹半见，月冷鹤双栖。—— 《和李相公留守题漕上新桥六韵》 As the mist clears, a rainbow is half revealed; under the cold moon, cranes roost in pairs. Source from 'He Li Xianggong Liushou Ti Cao Shang Xin Qiao Liu Yun'.
虹: "Colorful and radiant. This character embodies a life full of diversity, enjoying the bliss of freedom."
半: One half: a semicircle, half a century.
Meaning: A half-revealed rainbow symbolizes beauty and hope.