#66C705 Color
#66C705 is rgb(102, 199, 5) in RGB and hsl(90, 95%, 40%) in HSL. The closest CSS named color is LawnGreen. Black text is most readable on this background.
#66C705
HEX
#66C705RGB
rgb(102, 199, 5)HSL
hsl(90, 95%, 40%)HSV
hsv(90, 97%, 78%)OKLCH
oklch(74.1% 0.217 135.4)CMYK
cmyk(49%, 0%, 97%, 22%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66C705 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.16:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text9.74:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66C705 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66C705, useful for hover states, backgrounds, and text variants.