#66A654 Color
#66A654 is rgb(102, 166, 84) in RGB and hsl(107, 33%, 49%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66A654
HEX
#66A654RGB
rgb(102, 166, 84)HSL
hsl(107, 33%, 49%)HSV
hsv(107, 49%, 65%)OKLCH
oklch(66.2% 0.132 139.1)CMYK
cmyk(39%, 0%, 49%, 35%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A654 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.94:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.15:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A654 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A654, useful for hover states, backgrounds, and text variants.