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Glossary – RGB

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The abbreviation RGB denotes an additive color space, which allows the graphical representation on monitors. All colors seen on a TV, computer or smartphone are "blended" from the colors red, green and blue, giving the RBG color space its name. Red, green and blue are in digital reproduction so-called light colors, ie colors that act as self-luminous light sources. By the additive representation of the three colors it is possible to represent every digitally reproducible color.

This principle is referred to as additive color mixing or light mixture. The combination of colors results in white. Black is represented by the absence of light colors. The concept of the three-color theory, which says the mixture of almost all shades from the three basic colors, was groundbreaking in the conception of color television. The phenomenon of the standard RGB for display on monitors works roughly explained by the juxtaposition of differently colored pixels, which are mixed with a certain distance in the human perception to a new color. The hue of the perceived color depends on how the distribution of the three primary colors is in relation to each other.

The challenge in the production of print data is that on the screen standardized colors in RGB must be converted into the printable color space CMYK. If this does not happen, it can lead to deviations of the color tones. Therefore, when creating print data, it is essential to pay attention to the correct formatting of the color.

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