#66F03D Color
#66F03D is rgb(102, 240, 61) in RGB and hsl(106, 86%, 59%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66F03D
HEX
#66F03DRGB
rgb(102, 240, 61)HSL
hsl(106, 86%, 59%)HSV
hsv(106, 75%, 94%)OKLCH
oklch(84.6% 0.243 139.7)CMYK
cmyk(57%, 0%, 75%, 6%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66F03D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.49:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text14.1:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66F03D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66F03D, useful for hover states, backgrounds, and text variants.