Free online contrast ratio to aa pass planner calculator. Enter foreground and background to get ratio aa verdict. Formula: (L1 + 0.05) / (L2 + 0.05).
Foreground is required
background is required
Free online contrast ratio to aa pass planner calculator. Enter foreground and background to get ratio aa verdict. Formula: (L1 + 0.05) / (L2 + 0.05).
Formula
(L1 + 0.05) / (L2 + 0.05)