碧:
The character "碧" originally referred to emerald-green jade, and later extended to signify the color emerald green. In names, it often conveys a sense of vitality and vibrancy.
颂: Praise, eulogy. When used in a person's name, it signifies great fame and respect.
Meaning: Emerald green signifies purity and freshness, while 'song' conveys praise and admiration, embodying a pure and praiseworthy essence.