noun
reddish grey; grape mouse (color)
A traditional Japanese color name describing a muted reddish-grey, reminiscent of the fur of a mouse combined with the hue of grapes. Used primarily in artistic, design, or literary contexts.
彼女の着物は葡萄鼠の落ち着いた色合いだった。
Her kimono had a subdued reddish-grey color.
この絵の具セットには葡萄鼠が含まれている。
This paint set includes the color grape mouse.
葡萄色 is a purplish-red grape color, whereas 葡萄鼠 is a muted, greyish version of that hue.
Compound of 葡萄 (grape) and 鼠 (mouse), referring to a color that blends the reddish-purple of grapes with the grey of a mouse's fur. The exact historical origin is uncertain, but it belongs to the traditional Japanese color naming system.