In the Color Picker, a new option called Remove background color is available with the CMYK color model.
The main purpose of this feature is to reduce the amount of colored ink used by the printer.
Bear in mind that this option will modify the colors as they come out at the printer. Also note that colors on the printed page may differ depending on various factors, such as the color itself, the printer and the paper.
A. The new under color removal feature; B. The amount of ink the printer will use to print the selected color; C. The selected color
In the case of the red selected in the previous illustration, using the Remove background color feature saves a considerable amount of cyan, magenta and yellow ink, as shown below.
A. The Remove background color feature selected, colored ink is replaced by black ink when possible; B. The amount of cyan, magenta and yellow ink used to print the selected color is now 50% less and the amount of black ink is now 50%