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OFFSET PRINT | CMYK
CMYK is the English acronym of Cyan, Magenta, Yellow and Black – it’s a system of colors based in the subtractive synthesis, it means that the combination in equal shares of the three subtractive primary pigments (cyan, magenta and yellow) results the black. CMYK have four pigments – the first three more the black.
CMY(K) works by the absorption of light. The colors results from the light that was not absorbed.
CMY(K)as opposition to the RGB
Cyan is the opposition color to the red, what means that acts as a filter that absorb the last color (- R + G + B) and Yellow is the opposition color to the blue (+ R + G – B). So, magenta with yellow make red; magenta with cyan make blue and cyan with yellow make green.
The colors spectrum CMYK (graphic) is smaller than RGB, which means that not all colors seen in the display can be printed.
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| IMPORTANT ADVICE |
With the most of graphic software we can work in “color spaces” RGB or CMYK. Scanners and monitors use RGB, combining only three colors: R = red, G = green and B = blue, basic colors of the light. The printer uses color sets with different pigments: cyan (seems blue), magenta (seems red), yellow and black (named CMYK). |
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