An adjectival noun meaning bright and full of many colors; often written in katakana. Used like 'colorful ~'.
子ども部屋をカラフルなポスターで飾った。
I decorated the children's room with colorful posters.
彼女はいつもカラフルな服を着ていて目立つ。
She always wears colorful clothes and stands out.
カラフルに塗られた建物が街角に並んでいる。
Colorfully painted buildings line the street corner.