The basics of color production start with RGB and CMYK color models.
RGB stands for Red, Green, and Blue. These are the colors that we perceive when light from a source like the sun or an LED bulb hits our eyes. RGB colors is around for hundreds of years, long before computers were invented.
It’s a common misconception that computer monitors produce colors using the RGB model; in reality, monitors use something called additive color. Additive color involves mixing different levels of red, green, and blue light to produce other colors in a variety of tones.
The CMYK model (Cyan, Magenta, Yellow and Black) is based on subtractive color mixing. Subtractive color involves taking different amounts of these four primary colors and mixing them together to produce all other colors.
With subtractive color mixing, there are no “pure” reds or yellows or greens; everything appears as it does because it contains a mix of each primary color that makes up