No, dark is just a general way to describe a color.
dark
Dark and night. Maybe just the dark knight :)
dank
dark and scary
dark, bright, or pretty.
Cold
Navy is used to describe a shade of dark blue (not purple), because of the color used in certain navies' dark-blue-and-white uniforms.
Africa is often referred to as the "Dark Continent" due to its relatively lesser-known history and cultures compared to other continents during the era of European colonization. This term carries a colonial connotation and is not reflective of the richness and diversity of African cultures and societies.
A Hispanic person can be light or dark skinned, usually with dark hair.
creepy,big,dark,dangerous
Puffy, dark, luminous, wispy, and fluffy are words that could describe a cloud.