#66D16B Color
#66D16B is rgb(102, 209, 107) in RGB and hsl(123, 54%, 61%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66D16B
HEX
#66D16BRGB
rgb(102, 209, 107)HSL
hsl(123, 54%, 61%)HSV
hsv(123, 51%, 82%)OKLCH
oklch(77.3% 0.172 144.6)CMYK
cmyk(51%, 0%, 49%, 18%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D16B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.93:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.9:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D16B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D16B, useful for hover states, backgrounds, and text variants.