Comprobador de contraste
Comprueba el contraste WCAG y APCA con matriz de paleta completa, la sombra válida más cercana y el mejor color de texto.
Las páginas detalladas de color están por ahora en inglés.
Contrast Checker
WCAG 2.1 contrast for text, large text and UI components — with automatic fixes.
2.96 : 1
The quick brown fox
Large text · 18.66px bold or 24px regular
Normal text — body copy and controls
AA normal ✗AA large ✗AA UI 3:1 ✗AAA normal ✗AAA large ✗
AA: ≥4.5 normal, ≥3 large/UI. AAA: ≥7 normal, ≥4.5 large.
APCA (additional signal)
Accessible Perceptual Contrast Algorithm — bronze reference ≈75.
55 Lc
Borderline
APCA is shown as a secondary perceptual signal — WCAG 2.1 ratio remains the compliance metric for accessibility conformance.
Suggested fixes
The closest shades of your text color that pass the target.
#4A7F59 · 4.50:1
Passes AA normal text
#375E42 · 7.08:1
Passes AAA normal text
#000000 · 20.13:1
Best text color on this background
Palette matrix
Paste a palette (comma or space separated) to see every text/background pairing at once.