#51FC45 Color
#51FC45 is rgb(81, 252, 69) in RGB and hsl(116, 97%, 63%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#51FC45
HEX
#51FC45RGB
rgb(81, 252, 69)HSL
hsl(116, 97%, 63%)HSV
hsv(116, 73%, 99%)OKLCH
oklch(87.1% 0.26 142.1)CMYK
cmyk(68%, 0%, 73%, 1%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #51FC45 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.37:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text15.36:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #51FC45 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #51FC45, useful for hover states, backgrounds, and text variants.