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Cyanines, also referred to as tetramethylindo (di)-carbocyanines[ 1] are a synthetic dye family belonging to the polymethine group. Although the name derives etymologically from terms for shades of blue, the cyanine family covers the electromagnetic spectrum from near IR to UV . Chemically, cyanines are a conjugated system between two nitrogen ...
On the RGB color wheel, "azure" ( hexadecimal #0080FF) is defined as the color at 210 degrees, i.e., the hue halfway between blue and cyan. In the RGB color model, used to create all the colors on a television or computer screen, azure is created by adding a 50% of green light to a 100% of blue light.
Color theory, or more specifically traditional color theory, is the historical body of knowledge describing the behavior of colors, namely in color mixing, color contrast effects, color harmony, color schemes and color symbolism. [ 1] Modern color theory is generally referred to as Color science. While there is no clear distinction in scope ...
Cyan (/ ˈ s aɪ. ə n,-æ n /) [1] [2] [3] is the color between blue and green on the visible spectrum of light. [4] [5] It is evoked by light with a predominant wavelength between 500 and 520 nm, between the wavelengths of green and blue.
Cerulean ( / səˈruːliən / ), also spelled caerulean, is a variety of the hue of blue that may range from a light azure blue to a more intense sky blue, and may be mixed as well with the hue of green. The first recorded use of cerulean as a colour name in English was in 1590. [ 3] The word is derived from the Latin word caeruleus, "dark blue ...
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 ...
The first recorded use of teal blue as a color name in English was in 1927. [5]: p. 101, plate 39, color sample L6 The source of this color is the Plochere Color System, a color system formulated in 1948 that is widely used by interior designers. Teal was subsequently a heavily used color in the 1950s and 1960s. [8]
Electric blue is a color whose definition varies but is often considered close to cyan, and which is a representation of the color of lightning, an electric spark, and the color of ionized argon gas; it was originally named after the ionized air glow produced during electrical discharges, though its meaning has broadened to include shades of blue that are metaphorically "electric" by virtue of ...