The contrast ratio grading system for text has the following grading: Fail, AA*, AAA* AAA from lowest to highest readability.\nIt was calculated based on the computed background color:
O scistema do livello de contrasto do testo o l'à ste gradaçioin: Falio, AA*, AAA* AAA da-o ciù bassa a-a ciù erta lezibilitæ.\nO l'é calcolou in baze a-o cô de sfondo: