虹 — Rainbow

Master (高手)こう, にじ

Radical ⾍ · radical 142 The building block this kanji is filed under

虹 (readings: こう, にじ; Japanese kanji) means “Rainbow”. It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 虹 (rainbow).

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What does 虹 mean?

Full details, readings & example

Kanji	虹
Meaning	Rainbow
Readings	こう, にじ
Grade	Master (高手 · secondary school)
Curriculum	Jōyō kanji · Japanese secondary school (JLPT N1–N2)
Example	虹 (rainbow)

How to read 虹

虹 is read こう or にじ depending on the word.

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Updated: 2026-07-22