#66CC81 Color

#66CC81 is rgb(102, 204, 129) in RGB and hsl(136, 50%, 60%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.

#66CC81

HEX#66CC81

RGBrgb(102, 204, 129)

HSLhsl(136, 50%, 60%)

HSVhsv(136, 50%, 80%)

OKLCHoklch(76.5% 0.144 150.4)

CMYKcmyk(50%, 0%, 37%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66CC81 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text10.52:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66CC81 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66CC81 Complementary#CC66B1 Analogous#7ECC66 Analogous#66CCB4 Triadic#8166CC Triadic#CC8166

Tints & Shades

Lighter tints and darker shades of #66CC81, useful for hover states, backgrounds, and text variants.

Tints

#79D291 #90DAA4 #A3E0B4 #BAE8C6 #CDEED6 #E4F6E9

Shades

#47C268 #38A856 #2E8A46 #246B37 #194D27 #0F2E17

Use #66CC81 in Our Tools

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