#66DC38 Color

#66DC38 is rgb(102, 220, 56) in RGB and hsl(103, 70%, 54%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#66DC38

HEX#66DC38

RGBrgb(102, 220, 56)

HSLhsl(103, 70%, 54%)

HSVhsv(103, 75%, 86%)

OKLCHoklch(79.6% 0.224 138.7)

CMYKcmyk(54%, 0%, 75%, 14%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66DC38 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.77:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.86:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66DC38 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66DC38 Complementary#AD38DC Analogous#B8DC38 Analogous#38DC5B Triadic#3866DC Triadic#DC3866

Tints & Shades

Lighter tints and darker shades of #66DC38, useful for hover states, backgrounds, and text variants.

Tints

#7AE052 #91E670 #A5EA8A #B9EFA4 #CDF4BE #E4F9DC

Shades

#53CC24 #47AD1F #3B8F19 #2C6C13 #204E0E #143008

Use #66DC38 in Our Tools

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