灿: The original meaning is brilliance, radiance, vividness, and dazzling splendor. When used in personal names, it conveys the connotations of being open and upright, with a bright and promising future.

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.