#66D411 Color
#66D411 is rgb(102, 212, 17) in RGB and hsl(94, 85%, 45%) in HSL. The closest CSS named color is LawnGreen. Black text is most readable on this background.
#66D411
HEX
#66D411RGB
rgb(102, 212, 17)HSL
hsl(94, 85%, 45%)HSV
hsv(94, 92%, 83%)OKLCH
oklch(77.4% 0.229 136.6)CMYK
cmyk(52%, 0%, 92%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D411 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.91:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text10.99:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D411 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D411, useful for hover states, backgrounds, and text variants.