#66A951 Color
#66A951 is rgb(102, 169, 81) in RGB and hsl(106, 35%, 49%) in HSL. The closest CSS named color is OliveDrab. Black text is most readable on this background.
#66A951
HEX
#66A951RGB
rgb(102, 169, 81)HSL
hsl(106, 35%, 49%)HSV
hsv(106, 52%, 66%)OKLCH
oklch(66.9% 0.14 138.7)CMYK
cmyk(40%, 0%, 52%, 34%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66A951 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.85:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.36:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66A951 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66A951, useful for hover states, backgrounds, and text variants.