#66F623 Color
#66F623 is rgb(102, 246, 35) in RGB and hsl(101, 92%, 55%) in HSL. The closest CSS named color is LawnGreen. Black text is most readable on this background.
#66F623
HEX
#66F623RGB
rgb(102, 246, 35)HSL
hsl(101, 92%, 55%)HSV
hsv(101, 86%, 96%)OKLCH
oklch(86% 0.26 138.7)CMYK
cmyk(59%, 0%, 86%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66F623 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.42:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text14.77:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66F623 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66F623, useful for hover states, backgrounds, and text variants.