#51B540 Color

#51B540 is rgb(81, 181, 64) in RGB and hsl(111, 48%, 48%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#51B540

HEX#51B540

RGBrgb(81, 181, 64)

HSLhsl(111, 48%, 48%)

HSVhsv(111, 65%, 71%)

OKLCHoklch(68.9% 0.181 140.9)

CMYKcmyk(55%, 0%, 65%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #51B540 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.61:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.03:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #51B540 based on color wheel relationships. Click any swatch for its full breakdown.

Base#51B540 Complementary#A440B5 Analogous#8CB540 Analogous#40B569 Triadic#4051B5 Triadic#B54051

Tints & Shades

Lighter tints and darker shades of #51B540, useful for hover states, backgrounds, and text variants.

Tints

#66C355 #7ECD70 #95D68A #B1E1A8 #C8EAC3 #E0F3DD

Shades

#479F38 #3B842E #316D26 #27571E #1D4017 #11260D

Use #51B540 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex