#66D251 Color

#66D251 is rgb(102, 210, 81) in RGB and hsl(110, 59%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#66D251

HEX#66D251

RGBrgb(102, 210, 81)

HSLhsl(110, 59%, 57%)

HSVhsv(110, 61%, 82%)

OKLCHoklch(77.3% 0.195 140.5)

CMYKcmyk(51%, 0%, 61%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66D251 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.93:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text10.9:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66D251 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66D251 Complementary#BC51D2 Analogous#A7D251 Analogous#51D27C Triadic#5166D2 Triadic#D25166

Tints & Shades

Lighter tints and darker shades of #66D251, useful for hover states, backgrounds, and text variants.

Tints

#7CD869 #91DF81 #A6E59A #B8EAAE #CDF0C6 #E3F7DF

Shades

#4CC733 #41AA2C #358A24 #2A6D1C #1D4D14 #13310D

Use #66D251 in Our Tools

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