Minky Momo

Korean cartoon from 1990s about girl with necklace w magical powers, not minky momo but similar ?

She has two friends a boy and girl, one episode the girl brings drawings to life and they get out of hand and she uses her powers and walks on the rainbow, don’t remember too much, and don’t think its minky momo but similar to it

Is this it? Magical idol pastel Yumi. http://www.animenewsnetwork.com/encyclopedia/anime.php?id=1691

Minky Momo 1991 Ending