#66E240 Color

#66E240 is rgb(102, 226, 64) in RGB and hsl(106, 74%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#66E240

HEX#66E240

RGBrgb(102, 226, 64)

HSLhsl(106, 74%, 57%)

HSVhsv(106, 72%, 89%)

OKLCHoklch(81.1% 0.226 139.4)

CMYKcmyk(55%, 0%, 72%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66E240 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.68:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text12.52:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66E240 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66E240 Complementary#BD40E2 Analogous#B7E240 Analogous#40E26B Triadic#4066E2 Triadic#E24066

Tints & Shades

Lighter tints and darker shades of #66E240, useful for hover states, backgrounds, and text variants.

Tints

#7BE65B #91EA75 #A6EE90 #B8F2A6 #CDF6C1 #E3FADC

Shades

#4CD920 #41BA1C #349717 #2A7812 #1D540D #133508

Use #66E240 in Our Tools

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