灰色（はいいろ、haiいro）
- gray

The Japanese word 灰色 (*haiiro*) means "gray" or "grey." It refers to the color that is a mixture of black and white, or more broadly, any color with a similar tone. It can also be used metaphorically to describe something dull, vague, or indistinct.

⚫︎その空は灰色だった。 Translation: The sky was gray. ⚫︎彼の髪は灰色になり始めた。 Translation: His hair started to turn gray. ⚫︎その計画はまだ灰色だ。 Translation: That plan is still vague (in a gray area).

灰色 is used to describe the color gray, both literally (for objects) and figuratively (for concepts or situations). ⚫︎ It is appropriate in a wide range of contexts. ⚫︎ You can use it to describe the color of objects, the state of the weather, or the abstract nature of a situation or idea.

⚫︎ This word is typically written as 灰色 using kanji. ⚫︎ The reading, はいいろ, is written in hiragana. ⚫︎ There are no common variations in okurigana for this word.

There aren't many direct synonyms, but depending on the context, you might use: ⚫︎ グレー (gurē) - This is the katakana version of "gray," used more commonly in modern Japanese. ⚫︎ 薄墨色 (usuzumiiro) - A color similar to light gray, like the color of diluted ink. ⚫︎ 鼠色 (nezumiiro) - "Mouse color," referring to a shade of gray.

⚫︎ 白色 (shiroiro) - White ⚫︎ 黒色 (kuroiro) - Black ⚫︎ 原色 (genshoku) - Primary Colors

今日は灰色の空だ。 ・Translation: The sky is gray today. ・Explanation: This sentence uses 灰色 to describe the color of the sky.

その問題は灰色のままだ。 ・Translation: That problem remains in a gray area. ・Explanation: This sentence utilizes 灰色 to represent a situation that is unclear or undefined.

The kanji 灰 (*hai*) means "ash," and 色 (*iro*) means "color." Therefore, the word literally means "ash color," which refers to the color of ash, which is typically gray.