quite adverb
\ ˈkwīt How to pronounce quite (audio) \
Definition of quite
1 : wholly, completely not quite finished
2 : to an extreme : positively quite sure —often used as an intensifier with a quite a swell guyquite a beauty
3 : to a considerable extent : rather quite near
The word you are looking for is "quiet".
Therefore, instead of having your browser enforce a lowered contrast for yourself, you prefer that the majority of the rest of us, with commodity LCDs, suffer too little contrast by asking for the colors to be changed on the website.