#66B270 Color
#66B270 is rgb(102, 178, 112) in RGB and hsl(128, 33%, 55%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66B270
HEX
#66B270RGB
rgb(102, 178, 112)HSL
hsl(128, 33%, 55%)HSV
hsv(128, 43%, 70%)OKLCH
oklch(69.7% 0.122 147.1)CMYK
cmyk(43%, 0%, 37%, 30%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66B270 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.57:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text8.17:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66B270 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66B270, useful for hover states, backgrounds, and text variants.