Am Abend färbte sich der Himmel in einem farbenprächtigen Sonnenuntergang.
In the evening, the sky was colored in a brilliantly colorful sunset.
Im Sommer war der Garten voll farbenprächtiger Blumen, und wir blieben lange davor stehen.
In summer, the garden was full of vibrantly colorful flowers, and we stood admiring them for a long time.
This word is elevated and mostly appears in descriptions, for example in texts about nature, festivals, clothing, or art. It sounds positive and admiring. In everyday speech, people rather say "sehr bunt" or "schön bunt".
used before a noun or after sein/werden; comparative: farbenprächtiger