#66B063 Color
#66B063 is rgb(102, 176, 99) in RGB and hsl(118, 33%, 54%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.
#66B063
HEX
#66B063RGB
rgb(102, 176, 99)HSL
hsl(118, 33%, 54%)HSV
hsv(118, 44%, 69%)OKLCH
oklch(69% 0.132 143.2)CMYK
cmyk(42%, 0%, 44%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66B063 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.64:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.96:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66B063 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66B063, useful for hover states, backgrounds, and text variants.