#66D54D Color
#66D54D is rgb(102, 213, 77) in RGB and hsl(109, 62%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66D54D
HEX
#66D54DRGB
rgb(102, 213, 77)HSL
hsl(109, 62%, 57%)HSV
hsv(109, 64%, 84%)OKLCH
oklch(78% 0.202 140.2)CMYK
cmyk(52%, 0%, 64%, 16%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D54D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.88:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.19:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D54D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D54D, useful for hover states, backgrounds, and text variants.