RGB & CMYK

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RGB

 

ico_rgb

An additive color model that starts with black, the absence of light. Computer monitors emit a combination of three colors: Red, Green, and Blue to create a full color display. Unlike the subtractive CMYK model, with all three RGB colors combined, we get white light.

 

 

CMYK

 

ico_cmyk

A color model based on four process colors: Cyan, Magenta, Yellow, and Black. The colors are mixed to create a full-color image on a printer. The printing press prints an image in four separate layers starting with yellow, then cyan, magenta, and black.

 

The CMYK color model is different from the RGB model used on your computer display and digital cameras. Unlike a computer screen which emits light, ink absorbs it and the color our eyes perceive is the color that is reflected from the paper. Because the process involves absorbed instead of emitted light, CMYK is a subtractive color model (you start with white light and create colors by absorbing certain wavelengths of that light).

 

Cyan absorbs the red component of white light, magenta absorbs green, and yellow absorbs blue. As you mix cyan, magenta, and yellow together, you will eventually get black.

 

 

 

 

 

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