The Acer S235HL has a maximum contrast ratio of 100000000:1. That's over five times the contrast ratio of a 20000000:1 PC screen, which is the most common contrast ratio.
This PC monitor's contrast ratio (100000000:1) is in fact the best contrast ratio amongst all PC displays that are a comparable age to the S235HL.
Amongst similar types of PC monitor the worst contrast ratio is Mega Contrast.
We compared this PC monitor to all the other PC monitors that have a 100000000:1 dynamic contrast ratio and we think because of it's better review score, the Asus VN279 (£239.14), the Acer B243, and the Packard Bell Viseo 243D (£115.99) is also worth considering.