#3FCA51 Color
#3FCA51 is rgb(63, 202, 81) in RGB and hsl(128, 57%, 52%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#3FCA51
HEX
#3FCA51RGB
rgb(63, 202, 81)HSL
hsl(128, 57%, 52%)HSV
hsv(128, 69%, 79%)OKLCH
oklch(74% 0.201 145.2)CMYK
cmyk(69%, 0%, 60%, 21%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3FCA51 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.15:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.78:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #3FCA51 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3FCA51, useful for hover states, backgrounds, and text variants.