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:
Sistem gradiranja odnosa kontrasta za tekst ima sljedeće gradiranje: Fail, AA*, AAA* AAA od najniže ka najvišoj čitljivosti.\nRačunato je na osnovu proračunate pozadinske boje: