Literature Reference: Yu means brilliance; Xi means radiance. Source from 'Shuowen Jiezi'.
煜:
Yuming, Yiyu, and Guangyao, all signify brilliance and radiance. When used in names, they represent a luminous and prosperous future, fostering success in one's career and endeavors.
熙: Harmonious and joyous, a scene of amity and delight.
Meaning: Yu Xi signifies brilliance and radiance, symbolizing light and hope.