Translation guide
Describes the color dark grey. In Japanese, this is commonly expressed with 濃い灰色 (koi haiiro) or ダークグレー (dāku gurē). The word 鼠色 (nezumiiro) means 'grey' and can be modified with 濃い (koi) for 'dark'. Loanword グレー (gurē) is also widely used.
dark grey
Common loanword, especially in fashion and design.
He was wearing a dark grey suit.
The sky turned dark grey.
Loanword from English 'dark grey'. Very common in fashion, design, and everyday conversation.
I bought a dark grey cardigan.
Uses 鼠色 (nezumiiro), a traditional Japanese word for grey (literally 'mouse color'). 濃い鼠色 means 'dark mouse color', i.e., dark grey. Slightly more traditional/literary feel.
The kimono was dark grey.
Literally 'dark/dim grey'. 暗い (kurai) means 'dark' in the sense of lacking light. Can be used but 濃い灰色 is more common for color depth.
Dark grey clouds spread out.
Traditional Japanese color name, literally 'dull color', referring to a dark greyish tone. Used in arts, crafts, or poetic contexts.
The dark grey sky heralded the arrival of winter.
When describing a color as 'dark', use 濃い (koi) for deep or intense shades (e.g., 濃い青 dark blue). Use 暗い (kurai) when the color appears dim or lacking light (e.g., 暗い部屋 dark room). For grey, 濃い灰色 is standard; 暗い灰色 emphasizes a gloomy, dim grey.