Literature Reference: The sun and moon have brightness, their light surely shines upon all; the light of the sun and moon is radiance. Source from 'Liji·Jiyi'.
光: Light, radiance. When used in personal names, it often signifies an open and honest heart, a sunny and cheerful disposition, as well as a sense of being filled with hope.
辉: "Shine, radiance," this character carries an elegant meaning, often used in personal names to signify optimism, cheerfulness, and a life filled with good fortune.
Meaning: Radiance symbolizes brightness and hope, shining with brilliance.