Translation guide
Describes the color dark gray. Japanese has several common words for gray, and darkness is usually expressed by modifiers rather than a single word.
He was wearing a dark gray suit.
Literally 'dark/gloomy gray'. 暗い (kurai) can imply a lack of light, so it's less common for simple color description but still used.
The sky turned dark gray.
Loanword from English 'dark gray'. Common in fashion, design, and product descriptions.
This dark gray wallpaper is popular.
Traditional Japanese word for gray (literally 'mouse color'). Often used in traditional arts or literature. To specify dark, you'd say 濃鼠 (こいねず) but it's rare.
The kimono was dark gray.
To refer to the color dark gray as a concept or noun.
To describe a very dark gray, almost black.
濃い is the standard adjective for 'dark' when describing colors. It can be used with any color: 濃い青 (dark blue), 濃い緑 (dark green), etc. The opposite is 薄い (usui) for 'light' colors.
While 暗い (kurai) means 'dark', it often implies lack of light or gloominess. For colors, 濃い is preferred. Using 暗い灰色 might sound like 'gloomy gray' rather than simply a dark shade.
The walls were painted dark gray.
I prefer dark gray to black.
I chose dark gray.
The ink-black sky spread out.