#66DF3A Color
#66DF3A is rgb(102, 223, 58) in RGB and hsl(104, 72%, 55%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66DF3A
HEX
#66DF3ARGB
rgb(102, 223, 58)HSL
hsl(104, 72%, 55%)HSV
hsv(104, 74%, 87%)OKLCH
oklch(80.3% 0.226 138.9)CMYK
cmyk(54%, 0%, 74%, 13%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66DF3A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.72:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.18:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66DF3A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66DF3A, useful for hover states, backgrounds, and text variants.