Aa
Black on Yellow
19.56:1 contrast ratio
WCAG AAA19.56:1 contrast ratio
Black on Yellow
Passes WCAG AAA — suitable for all text and UI
✓ Pass
WCAG AA Normal
4.5:1 required
✓ Pass
WCAG AA Large
3:1 required
✓ Pass
WCAG AAA Normal
7:1 required
✓ Pass
UI Components
3:1 required
Black
Foreground (Text)
HEX
#000000
Yellow
Background
HEX
#FFFF00
Contrast Analysis
19.56:1
Contrast ratio
WCAG AAA
Exceeds WCAG 2.1 AAA standard
CSS Code
CSS Variables
:root {
--fg: #000000;
--bg: #FFFF00;
}Inline Style
color: #000000; background-color: #FFFF00;
Tailwind (arbitrary)
text-[#000000] bg-[#FFFF00]
Use Cases
warninghigh visibilitycaution