This article is about notable tints and shades of the color cyan, a greenish blue. Cyan is one of the subtractive primary colors- cyan, magenta, and yellow.
The first recorded use of cyan blue ("cyan blue" was the name used for the color "cyan" in the 19th century) as a color name in English was in 1879.
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Cyan in printing and the web colors cyan and aqua
Process cyan
In color printing, the shade of cyan called process cyan or pigment cyan is one of the three primary pigment colors which, along with yellow and magenta, constitute the three subtractive primary colors of pigment. (The secondary colors of pigment are blue, green, and red.) As such, the CMYK printing process was invented in the 1890s, when newspapers began to publish color comic strips.
Process cyan is not an RGB color, and there is no fixed conversion from CMYK primaries to RGB. Different formulations are used for printer's ink, so there can be variations in the printed color that is pure cyan ink. A typical formulation of process cyan is shown in the color box at right. The source of the color shown at right is the color magenta that is shown in the diagram located at the bottom of the following website offering tintbooks for CMYK printing: [1].
The web color cyan (aqua)
The web color cyan, shown at the right, is one of the three secondary colors in the RGB color model, used for creating all colors on a computer or television display by mixing various combinations of red, green and blue light. The X11 name for this color is cyan; the HTML name for the same color is aqua. They are both composed of the same mixture of blue and green light, and are exactly the same color.
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Additional variations of cyan
Aero blue
Aero blue is a fluorescent cyan color. Aero blue was used as rainshower in one of the Sharpie (marker) permanent markers but not as bright on the marker.
However, there is no mechanism for showing fluorescence on a computer screen.
Aquamarine
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.
Blue-green
Blue-green has been a Crayola color since 1930.
Caribbean Current
Displayed at right is the color caribbean current.
Celeste
At right is displayed the color celeste.
Bleu celeste ("sky blue") is a rarely occurring tincture in heraldry (not being one of the seven main colours or metals or the three "staynard colours"). This tincture is sometimes also called ciel or simply celeste. It is depicted in a lighter shade than the range of shades of the more traditional tincture azure, which is the standard blue used in heraldry. It has been used rarely since the 17th century, gaining popularity after the First World War.
Cerulean
The first recorded use of cerulean as a color name in English was in 1590.
The word is probably derived from the Latin word caeruleus, "dark blue, blue, or blue-green", which in turn probably derives from caelulum, diminutive of caelum, "heaven, sky".
Charleston green
Charleston green is an extremely dark shade of cyan. The color Charleston green originated after the American Civil War, approximately 1865, when during reconstruction, it was widely used to paint homes in Charleston, South Carolina.
Dark cyan
At right is displayed the web color dark cyan.
Electric blue
Electric blue is a color close to cyan that is a representation of the color of lightning, an electric spark, and argon signs; it is named after the ionized air glow produced during electrical discharges.
The first recorded use of electric blue as a color name in English was in 1884.
Green-blue
Green-blue had been a Crayola color since 1958. It was continued as a Crayola crayon color until 1990.
Keppel
At right is displayed the color keppel.
The color name keppel has been in use since 2001, when it was promulgated as one of the colors on the Xona.com Color List.
Light cyan
At right is displayed the web color light cyan.
Light sea green
At right is displayed the web color light sea green.
Midnight green
Midnight green (sometimes called Eagle green) has been the official primary color of the Philadelphia Eagles of the National Football League since 1996.
Robin egg blue
The color robin egg blue is displayed at right.
The first recorded use of robin's egg blue as a color name in English was in 1873.
Sky Blue (Crayola)
Displayed at right is the colour medium sky blue. This is the colour that is called sky blue in Crayola crayons. This colour was formulated by Crayola in 1958. "Sky blue" appears in the 32, 48, 64, 96 and 120 packs of crayons.
Teal
At right is displayed the web color teal.
The first recorded use of teal as a color name in English was in 1917.
Tiffany Blue
Tiffany Blue is the colloquial name for the light medium robin egg blue color associated with Tiffany & Co., the New York City jewelry company. The color was used on the cover of Tiffany's Blue Book, first published in 1845. Since then Tiffany & Co. has used the color extensively on promotional materials, including boxes and bags. The Tiffany Blue color is protected as a color trademark by Tiffany & Co. in some jurisdictions including the U.S.
Turquoise
At right is displayed the X11 color named turquoise.
Turquoise is the name of a greenish blue color, based on the gem of the same name. The word turquoise comes from the French for Turkish, as the gem was originally imported from Turkey.
The first recorded use of turquoise as a color name in English was in 1573. Perhaps owing to sharing its name with a mineral, turquoise is currently a more common term in English than other cyan-like colors.
Verdigris
Verdigris is the common name for a green pigment obtained through the application of acetic acid to copper plates or the natural patina formed when copper, brass or bronze is weathered and exposed to air or seawater over a period of time. The name verdigris comes from the Middle English vertegrez, from the Old French verte grez, an alteration of vert-de-Grèce ("green of Greece"). Used as a pigment in paintings and other art objects (as green color) since ancient Greece, it was originally made by hanging copper plates over hot vinegar in a sealed pot until a green crust formed on the copper. The vivid green color of copper(II) acetate made this form of verdigris a much used pigment. Until the 19th century, verdigris was the most vibrant green pigment available and was frequently used in painting. Verdigris was sometimes used to illustrate cyan colors in early color wheels.
Viridian
Viridian is a blue-green pigment, a hydrated chromium(III) oxide, of medium saturation and relatively dark in value. It is composed more of green than blue. Specifically, it is a dark shade of spring green, the color between green and cyan on the color wheel, or, in paint, a tertiary blue-green color. Viridian takes its name from the Latin viridis, meaning "green".
The first recorded use of viridian as a color name in English was in the 1860s (exact year uncertain).
Cyan in human culture
See Cyan in human culture in the main article on Cyan.
Wrapping the spectrum into a color wheel
If the visible spectrum is wrapped to form a color wheel, cyan (subtractive primary) appears midway between blue and green:
Source of the article : Wikipedia
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