#66E191 Color
#66E191 is rgb(102, 225, 145) in RGB and hsl(141, 67%, 64%) in HSL. The closest CSS named color is MediumAquamarine. Black text is most readable on this background.
#66E191
HEX
#66E191RGB
rgb(102, 225, 145)HSL
hsl(141, 67%, 64%)HSV
hsv(141, 55%, 88%)OKLCH
oklch(81.9% 0.159 152.7)CMYK
cmyk(55%, 0%, 36%, 12%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #66E191 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text1.65:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text12.74:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #66E191 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #66E191, useful for hover states, backgrounds, and text variants.