#66D657 Color

#66D657 is rgb(102, 214, 87) in RGB and hsl(113, 61%, 59%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66D657

HEX#66D657

RGBrgb(102, 214, 87)

HSLhsl(113, 61%, 59%)

HSVhsv(113, 59%, 84%)

OKLCHoklch(78.3% 0.196 141.4)

CMYKcmyk(52%, 0%, 59%, 16%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66D657 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.85:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text11.32:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66D657 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66D657 Complementary#C757D6 Analogous#A5D657 Analogous#57D688 Triadic#5766D6 Triadic#D65766

Tints & Shades

Lighter tints and darker shades of #66D657, useful for hover states, backgrounds, and text variants.

Tints

#7CDC6F #8FE184 #A5E79C #B8ECB1 #CEF2CA #E1F7DE

Shades

#48CE36 #3AB12B #309023 #26731C #1B5214 #10310C

Use #66D657 in Our Tools

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