Shades of magenta yellow and cyan, constitute the three subtractive primary colors of pigment. (The secondary colors of pigment are blue, green, and red.) As such, the CMYK printing process was invented in the 1890s, when newspapers began to publish color comic strips. Process magenta is not an RGB color, and there is no fixed conversion from CMYK primaries to RGB. Different formulations are used for printer's ink, so there can be variations in the printed color that is pure magenta ink. A typical formulation of "process magenta" is shown in the color box at right. The source of the color shown at
Shades of magenta right is the color magenta that is shown in the diagram located at the bottom of the following website offering tintbooks for CMYK printing: . Magenta, shown at the right, is one of the three secondary colors in the RGB color model, used to make all the colors on computer and television displays. It is made by a mixture of red and blue light at equal intensity. It is called magenta on X11 list of color names, and fuchsia on the HTML color list. The web colors magenta and fuchsia are exactly the same color. Sometimes the web color magenta