#66AB63 Color
#66AB63 is rgb(102, 171, 99) in RGB and hsl(118, 30%, 53%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66AB63
HEX
#66AB63RGB
rgb(102, 171, 99)HSL
hsl(118, 30%, 53%)HSV
hsv(118, 42%, 67%)OKLCH
oklch(67.7% 0.125 143.2)CMYK
cmyk(40%, 0%, 42%, 33%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66AB63 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.77:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.57:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66AB63 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66AB63, useful for hover states, backgrounds, and text variants.