#ADD421 Color
#ADD421 is rgb(173, 212, 33) in RGB and hsl(73, 73%, 48%) in HSL. The closest CSS named color is YellowGreen. Black text is most readable on this background.
#ADD421
HEX
#ADD421RGB
rgb(173, 212, 33)HSL
hsl(73, 73%, 48%)HSV
hsv(73, 84%, 83%)OKLCH
oklch(81.3% 0.19 122.4)CMYK
cmyk(18%, 0%, 84%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #ADD421 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.72:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.22:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #ADD421 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #ADD421, useful for hover states, backgrounds, and text variants.