光彩 (guāng cǎi): luster; splendor; radiance; brilliance

The bride wore a red wedding dress and looked exceptionally radiant.

After careful polishing, this gemstone radiates a fascinating luster.

His speech was full of the brilliance of wisdom and won applause from the whole audience.

This ancient city gains more luster under the illumination of night lights.

Through her own efforts, she won glory for her family.