#66FF99 Color

#66FF99 is rgb(102, 255, 153) in RGB and hsl(140, 100%, 70%) in HSL. The closest CSS named color is LightGreen. Black text is most readable on this background.

#66FF99

HEX#66FF99

RGBrgb(102, 255, 153)

HSLhsl(140, 100%, 70%)

HSVhsv(140, 60%, 100%)

OKLCHoklch(89.4% 0.192 151.4)

CMYKcmyk(60%, 0%, 40%, 0%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66FF99 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text1.29:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text16.33:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66FF99 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66FF99 Complementary#FF66CC Analogous#80FF66 Analogous#66FFE6 Triadic#9966FF Triadic#FF9966

Tints & Shades

Lighter tints and darker shades of #66FF99, useful for hover states, backgrounds, and text variants.

Tints

#7AFFA7 #8FFFB4 #A3FFC2 #B8FFCF #CCFFDD #E0FFEB

Shades

#38FF7A #05FF58 #00D647 #00A336 #007527 #004216

Use #66FF99 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex