The Acer G276HL has a maximum contrast ratio of 100000000:1. That's over twenty times the contrast ratio of a 5000000:1 flatpanel monitor, which is the most common contrast ratio.
This PC monitor's contrast ratio (100000000:1) is in fact the best contrast ratio across all PC displays of a similar type and age to the G276HL.
The worst contrast ratio across comparable types of PC monitor is Mega Contrast.
Alternative PC monitors that have a 100000000:1 dynamic contrast ratio currently available which you might want to consider include the Acer K242HQL[plb_2933769_price] which is cheaper; or the Acer G277HL[plb_3029910_price] which has a better Rating.