Is Ruoyu an appropriate name for a girl?

Appropriate. Ruoyu refers to beauty as a fairy, wisdom as a fool, and a heart as deep as a valley. When used as a name, it means elegance, grace, temperament, and beauty. It means that the parents hope to be low-key and down-to-earth, hide their talents, be a truly wise person, and live a free and generous life. This name is suitable for girls.