#66BB63 Color

#66BB63 is rgb(102, 187, 99) in RGB and hsl(118, 39%, 56%) in HSL. The closest CSS named color is MediumSeaGreen. Black text is most readable on this background.

#66BB63

HEX#66BB63

RGBrgb(102, 187, 99)

HSLhsl(118, 39%, 56%)

HSVhsv(118, 47%, 73%)

OKLCHoklch(71.7% 0.149 143.2)

CMYKcmyk(45%, 0%, 47%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66BB63 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.37:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.85:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #66BB63 based on color wheel relationships. Click any swatch for its full breakdown.

Base#66BB63 Complementary#B863BB Analogous#92BB63 Analogous#63BB8C Triadic#6366BB Triadic#BB6366

Tints & Shades

Lighter tints and darker shades of #66BB63, useful for hover states, backgrounds, and text variants.

Tints

#7BC478 #90CD8E #A5D7A3 #B9E0B8 #CEE9CD #E3F3E3

Shades

#4FAE4C #429140 #377935 #2A5C28 #1F431E #122711

Use #66BB63 in Our Tools

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