Literature Reference: 宇，屋边也；沧，水色也。—— 《说文解字》 Yu refers to the edge of a house; Cang refers to the color of water. Source from 'Shuowen Jiezi'.
宇:
Graceful and noble, the name embodies a broad mind and lofty ambitions.
沧: It signifies a deep green hue (referring to water), and also carries connotations of chill and coldness. Use with caution.
Meaning: Yu signifies vast space, while Cang represents deep and expansive waters, symbolizing broad-mindedness and lofty aspirations.