With a well calibrated display and a pair of good eyes I went through all 65 levels of brightness (I usually use 40% or so) my laptop has available whilst looki

With a well calibrated display and a pair of good eyes I went through all 65 levels of brightness (I usually use 40% or so) my laptop has available whilst looking at ¹. All parts of page were very readable at all levels other than no backlight and two levels above no backlight. ¹: https://next.duckduckgo.com/?q=hello+world https://next.duckduckgo.com/?q=hello+world