Black adjective - Having the color of soot or coal.
Usage example: a little black dress blends into the night very well
Dark is a synonym for black in unlit topic. In some cases you can use "Dark" instead the word "Black" as an adjective or a noun, when it comes to topics like colour, light, darkness, dim. popular alternative
Dark adjective - Being without light or without much light.
Usage example: a dark alley that most people wisely avoided
Black is a synonym for dark in light topic. You can use "Black" instead the word "Dark" as an adjective or a noun, if it concerns topics such as hair, shameful, gloomy, darkness. popular alternative
Both words in one sentence
- Nikita had naturally black/dark hair and loves wearing black clothing.
Source: Woman in Black
- All the Japanese characters have black/dark brown hair and brown eyes, the ones who don't have clearly colored their hair since their eyebrows are still black.
- Dark Is Evil: Yandere-chan's default design has black/dark grey hair, and one of Yandere-chan's outfits is a black uniform with red sleeves.
Source: Video Game / Yandere Simulator
Google Ngram Viewer shows how "black" and "dark" have occurred on timeline