Aqua (Latin for "water") is a variation of the color cyan.

In the HSV color wheel aqua is precisely halfway between blue and green.

However, aqua is not the same as the primary subtractive color named process cyan used in printing.

The words "aqua" and "cyan" are used interchangeably in computer graphics, and especially web design, to refer to the additive secondary color "cyan".

Displayed in the right-hand column is the color pale aqua.