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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.
The test chart shows the full 256 levels of the red, green, and blue (RGB) primary colors and cyan, magenta, and yellow complementary colors, along with a full 256-level grayscale. Gradients of RGB intermediate colors (orange, lime green, sea green, sky blue, violet, and fuchsia), and a full hue spectrum are also present.
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The edges of characters and other images with transparent background should not have shades of gray: these are normally used for intermediate colors between the color of the letter/image and that of the background, typically shades of gray being intermediate between a black letter and a white background. However, with, for example, a red ...
In the CMYK model, it is the opposite: white is the natural color of the paper or other background, and black results from a full combination of colored inks. To save cost on ink, and to produce deeper black tones, unsaturated and dark colors are produced by using black ink instead of or in addition to combinations of cyan, magenta, and yellow.
However, aqua is not the same as the primary subtractive color named process cyan used in printing. Aqua colored sea waters in the Andaman and Nicobar Islands. The words "aqua" and "cyan" are used interchangeably in computer graphics, and especially web design, to refer to the additive secondary color "cyan". Both colors are made exactly the ...
The amount of cyan ink applied to a white sheet of paper controls how much of the red light in white light will be reflected back from the paper. Ideally, the cyan ink is completely transparent to green and blue light and has no effect on those parts of the spectrum. Magenta is the complement of green, and yellow the complement of blue.
It is a transparent staining color and can be applied using glazing techniques. It is present in a wide variety of products, [ 22 ] such as color deposition hair conditioner, [ 23 ] gel ink pens, eye patches, parfum, shampoo, skin-care products, soap, sunscreen, tattoo ink, [ 24 ] toothpaste, [ 25 ] and even turf colorants.