#66DE45 Color
#66DE45 is rgb(102, 222, 69) in RGB and hsl(107, 70%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66DE45
HEX
#66DE45RGB
rgb(102, 222, 69)HSL
hsl(107, 70%, 57%)HSV
hsv(107, 69%, 87%)OKLCH
oklch(80.2% 0.218 139.7)CMYK
cmyk(54%, 0%, 69%, 13%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66DE45 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.74:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.1:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66DE45 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66DE45, useful for hover states, backgrounds, and text variants.