#3FE821 Color
#3FE821 is rgb(63, 232, 33) in RGB and hsl(111, 81%, 52%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#3FE821
HEX
#3FE821RGB
rgb(63, 232, 33)HSL
hsl(111, 81%, 52%)HSV
hsv(111, 86%, 91%)OKLCH
oklch(81.4% 0.26 141.3)CMYK
cmyk(73%, 0%, 86%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3FE821 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.64:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.78:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #3FE821 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3FE821, useful for hover states, backgrounds, and text variants.