#66DB57 Color
#66DB57 is rgb(102, 219, 87) in RGB and hsl(113, 65%, 60%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66DB57
HEX
#66DB57RGB
rgb(102, 219, 87)HSL
hsl(113, 65%, 60%)HSV
hsv(113, 60%, 86%)OKLCH
oklch(79.6% 0.202 141.5)CMYK
cmyk(53%, 0%, 60%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66DB57 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 text11.84:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66DB57 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66DB57, useful for hover states, backgrounds, and text variants.