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:
La quantifiación d'o ratio de contraste pa lo texto tiene los siguients graus: Fail, AA*, AAA* AAA dende la mas baixa en a mas alta.\nS'ha calculau basau en lo color de fundo calculau: