#66B281 Color
#66B281 is rgb(102, 178, 129) in RGB and hsl(141, 33%, 55%) in HSL. The closest CSS named color is CadetBlue. Black text is most readable on this background.
#66B281
HEX
#66B281RGB
rgb(102, 178, 129)HSL
hsl(141, 33%, 55%)HSV
hsv(141, 43%, 70%)OKLCH
oklch(70.1% 0.105 154.4)CMYK
cmyk(43%, 0%, 28%, 30%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66B281 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.55:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.25:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66B281 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66B281, useful for hover states, backgrounds, and text variants.