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In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits. Thus, there are 24 bits used to specify a web color within the sRGB gamut, and 16,777,216 colors that may be so specified.
The 3-3-2 bit RGB use 3 bits for each of the red and green color components, and 2 bits for the blue component, due to the human eyes having lesser sensitivity to blue. This results in an 8×8×4 = 256-color palette as follows: This palette is used by: The MSX2 series of personal computers; Palette 4 of the IBM PGC; Extended Graphics Array (XGA)
To use a colour in a template or table you can use the hex triplet (e.g. bronze is #CD7F32) or HTML color names (e.g. red). Editors are encouraged to make use of Brewer palettes for charts, maps, and other entities, using this tool .
Traditionally, that color, defined as #00FFFF in hex, or (0,255,255) in RGB. The #00FFFF color code is called "cyan" in the RGB color but the X11 color names introduced the alternative name "aqua" for #00FFFF in 1987. Later, W3C popularized the name by using it in the named color palette of HTML 3.2 specifications.
The present W3C list is a superset of the 16 "VGA colors" defined in HTML 3.2 ... W3C color Hex Red Green Blue ... X11 color names from the X.org source code. ...
Hues of blue include indigo and ultramarine, closer to violet; pure blue, without any mixture of other colours; Azure, which is a lighter shade of blue, similar to the colour of the sky; Cyan, which is midway in the spectrum between blue and green, and the other blue-greens such as turquoise, teal, and aquamarine.
Cornflower blue is a shade of medium-to-light blue containing relatively little green. This hue was one of the favorites of the Dutch painter Johannes Vermeer. [1] Cornflower blue sapphire. The most valuable blue sapphires are called cornflower blue, having a medium-dark violet-blue hue. [2]
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 December 2024. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band). Blue Wavelength 440–490 nm Common connotations ...