This is the 14433rd most frequent Korean word.
무지개색을
"무지개색을" means "rainbow colors" in English.
무지개색을 is used as the direct object of the verb 보고 (seeing), indicating the rainbow colors being observed.
무지개색을 보고 기뻐했어요.
Seeing the rainbow colors made me happy.
무지개색을 acts as the direct object of the verb 좋아합니다 (like), directly describing the subject's preference for rainbow colors.
나는 무지개색을 좋아합니다.
I like rainbow colors.
무지개색을 functions as the direct object of 선택했어요 (chose), specifying what was chosen by the subject.