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The RGB color model is an additive color model [1] in which the red, green, and blue primary colors of light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors , red, green, and blue.
In printing, registration black is a black color that includes 100% of each of the process colors used. Typically these are cyan, magenta, yellow and black , [4] but if different colors are used, registration black marks are made with all of the colorants (inks). [4] Registration black is used for printing crop marks and registration marks ...
Rgb.png (384 × 288 pixels, file size: 242 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
A wikipedia article is never a source; this article has color coordinates, but they are unsourced. Online sources such as imply numbers were sampled from this Crayola page, but the numbers themselves are not provided by Crayola, as far as I can tell. This page has what they call "rough approximations" for the color numbers, probably the same way.
For example, sRGB and Adobe RGB are both color spaces based on the RGB color model. However, the green primary of Adobe RGB is more saturated than the equivalent in sRGB, and therefore yields a larger gamut. [63] Otherwise, choice of color space is largely arbitrary and depends on the utility to a specific application. [1]
sRGB is a standard numerical encoding of colors, based on the RGB (red, green, blue) color space, for use on monitors, printers, and the World Wide Web.It was initially proposed by HP and Microsoft in 1996 [2] and became an official standard of the International Electrotechnical Commission (IEC) as IEC 61966-2-1:1999. [1]
In computer graphics, pixels encoding the RGBA color space information must be stored in computer memory (or in files on disk). In most cases four equal-sized pieces of adjacent memory are used, one for each channel, and a 0 in a channel indicates black color or transparent alpha, while all-1 bits indicates white or fully opaque alpha.
The Reconnaissance General Bureau (Korean: 정찰총국; RGB), part of the General Staff Department, is a North Korean intelligence agency that manages the state's clandestine operations. [1] Most of their operations have a specific focus on Japan, South Korea, and the United States. [2] It was established in 2009. [2] [3]