千せん紫し万ばん紅こう

noun

a multitude of colors; a riot of colors

A yojijukugo (four-character idiom) describing a scene with countless beautiful colors, often used for flowers or autumn leaves.

• 春はるの庭にわは千せん紫し万ばん紅こうの花はなで埋うめ尽つくされていた。

  The spring garden was filled with a multitude of colorful flowers.