Not to be confused with Aqua (color).
Aquamarine is a color that is a bluish tint of cerulean toned toward cyan. It is named after the mineral aquamarine, a gemstone mainly found in granite rocks. The first recorded use of aquamarine as a color name in English was in 1598.

Aquamarine is a color that is a pale bright tint of spring green toned toward cyan.

Interior design:
The color medium aquamarine is often used for tiling in the swimming pool locker rooms, or around swimming pools themselves.
Medical:
The color medium aquamarine is often used for smocks worn by hospital nurses because it is perceived as being calm and restful for the patients.