Turquoise Cyan

Turquoise

Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl6(PO4)4(OH)8·4H2O. It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.

Cyan

Cyan is the color between blue and green on the visible spectrum of light. It is evoked by light with a predominant wavelength between 490 and 520 nm, between the wavelengths of green and blue.

Turquoise (color)

Turquoise is a cyan color, based on the mineral of the same name.

turquoise

Noun

1. A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.
2. A pale greenish-blue colour, like that of the gemstone.

Adjective

1. Made of turquoise (the gemstone).
2. Having a pale greenish-blue colour.

cyan

Noun

1. An additive secondary colour midway between green and blue, evoked by wavelengths between ~490 and ~520 nm.

Adjective

1. Of the colour cyan.