2.1.18 [ISO32000-1] Section 10.5, Halftones


The specification states:

 Halftoning is a process by which continuous-tone colours are approximated on an output device that can achieve only a limited number of discrete colours. Colours that the device cannot produce directly are simulated by using patterns of pixels in the colours available.

Microsoft Edge:

Halftoning is not supported (halftone screens are ignored).