The author also mentions the 16m colors "now" (2010) commonly available. Even now, most displays are still only 6bit/color/pixel at best with some smart techniq

The author also mentions the 16m colors "now" (2010) commonly available. Even now, most displays are still only 6bit/color/pixel at best with some smart techniques to make it look a bit better. I wonder how much that influences the gradients and readability. I am not talking about the creme de la creme displays of the HN crowd but the average display.