#66E83B Color
#66E83B is rgb(102, 232, 59) in RGB and hsl(105, 79%, 57%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.
#66E83B
HEX
#66E83BRGB
rgb(102, 232, 59)HSL
hsl(105, 79%, 57%)HSV
hsv(105, 75%, 91%)OKLCH
oklch(82.6% 0.236 139.3)CMYK
cmyk(56%, 0%, 75%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E83B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.59:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text13.17:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E83B based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E83B, useful for hover states, backgrounds, and text variants.