Translation guide
In Japanese, describing 'red hair' depends on whether you mean natural red hair (like a redhead), dyed red hair, or reddish-brown hair. The most common and natural term is 赤毛 (akage), but other words like 赤髪 (akagami) or 茶髪 (chapatsu) are used in specific contexts.
Describing someone with naturally red hair, like a redhead.
The standard word for natural red hair. It can refer to both the hair color and a person with red hair.
Literally 'red hair', but less common than 赤毛 for natural red hair. Sometimes used in fantasy or descriptive contexts.
That character has red hair.
A straightforward phrase meaning 'red hair'. It's grammatically correct but less idiomatic than 赤毛 for natural red hair.
He has red hair.
Describing hair that has been dyed red, often in fashion contexts.
Commonly used for dyed red hair, especially in anime, manga, and fashion. It emphasizes the color as a style choice.
He dyed his hair red.
A descriptive phrase meaning 'hair dyed red'. It's clear but wordy.
The red-dyed hair stands out.
Can sometimes be used for dyed red hair, but it's more strongly associated with natural red hair. Use with caution.
May be misunderstood as natural red hair unless context makes it clear.
Describing hair that is brown with reddish tones, often natural for Japanese people or a common dye color.
Literally 'brown hair', but often used for dyed hair that is reddish-brown or light brown. Very common in everyday conversation.
There are many students with brown (dyed) hair.
Means 'reddish-brown hair'. More precise than 茶髪, but less common in casual speech.
Her hair is reddish-brown.
Describing vibrant, unnatural red hair colors often seen in anime, games, or fantasy.
赤毛 (akage) is the most natural term for red hair, especially for redheads. 赤髪 (akagami) is often used for dyed or fictional red hair. 茶髪 (chapatsu) refers to brown hair, but in Japan it commonly implies dyed hair with reddish tones. Use 赤毛 for natural red hair, 赤髪 for dyed/fantasy red, and 茶髪 for brown/reddish-brown dyed hair.
The direct loanword レッドヘア (reddo hea) is not commonly used in Japanese. It may sound unnatural or overly literal. Stick to native terms like 赤毛 or 赤髪.
彼女は赤毛に染めている。
She dyes her hair red.