#66F628 Color
#66F628 is rgb(102, 246, 40) in RGB and hsl(102, 92%, 56%) in HSL. The closest CSS named color is LawnGreen. Black text is most readable on this background.
#66F628
HEX
#66F628RGB
rgb(102, 246, 40)HSL
hsl(102, 92%, 56%)HSV
hsv(102, 84%, 96%)OKLCH
oklch(86% 0.259 138.9)CMYK
cmyk(59%, 0%, 84%, 4%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66F628 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 text14.78:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66F628 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66F628, useful for hover states, backgrounds, and text variants.