#66B521 Color

#66B521 is rgb(102, 181, 33) in RGB and hsl(92, 69%, 42%) in HSL. The closest CSS named color is OliveDrab. Black text is most readable on this background.

#66B521

HEX#66B521

RGBrgb(102, 181, 33)

HSLhsl(92, 69%, 42%)

HSVhsv(92, 82%, 71%)

OKLCHoklch(69.5% 0.189 134.6)

CMYKcmyk(44%, 0%, 82%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66B521 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.56:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.2:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66B521 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66B521 Complementary#7021B5 Analogous#B0B521 Analogous#21B526 Triadic#2166B5 Triadic#B52166

Tints & Shades

Lighter tints and darker shades of #66B521, useful for hover states, backgrounds, and text variants.

Tints

#7AD728 #8FDE4A #A4E46C #BAEA8F #CFF1B1 #E4F7D4

Shades

#5A9F1D #4B8619 #3F7015 #315610 #24410C #162707

Use #66B521 in Our Tools

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