#66D35A Color
#66D35A is rgb(102, 211, 90) in RGB and hsl(114, 58%, 59%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66D35A
HEX
#66D35ARGB
rgb(102, 211, 90)HSL
hsl(114, 58%, 59%)HSV
hsv(114, 57%, 83%)OKLCH
oklch(77.6% 0.189 141.7)CMYK
cmyk(52%, 0%, 57%, 17%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66D35A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.9:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text11.03:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66D35A based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66D35A, useful for hover states, backgrounds, and text variants.