RGB color CMYK color two same color mode

RGB color mode The basic color mode of the RGB color mode is important for the computer screen to display the image in the RGB mode. The physical structure of the display follows RGB

CMYK is called the printing color mode, as the name implies, printing
Compared with RGB:

The screen content can still be seen in the dark room between the RGB mode and the luminous color mode;
CMYK relies on the reflective color mode. I read the content of the newspaper. When the sunlight or light shines on the newspaper, it reflects the content of my eyes.

Need to read newspapers in a dark room from outside light sources

To display the image on the screen RGB mode performance To print to see the image CMYK mode performance
Print CMYK mode than periodicals, magazines, newspapers, posters, etc.