Why does a monitor has Red, Green and Blue colors and a printer Cyan, Magenta and Yellow?

This has to do with the background.
A monitor is black and colors are added.
A piece of paper is white and the ink is used to remove colors.

The interactive table shows which colors are used by monitors and printers to make a specific color.

ColorBlack
(000000)
White
(FFFFFF)
Color
Red
Green
Blue
  FF0000  
  00FF00  
  0000FF  






  00FFFF  
  FF00FF  
  FFFF00