#66D399

A light, moderate green closely aligning with Mediumaquamarine.

About #66D399

The hex code #66D399 represents a beautifully specific shade of green. Its closest recognized web color is Mediumaquamarine. Its digital footprint relies on 102 parts red, 211 parts green, and 153 parts blue light.

If you are designing for print, the four-color process is what matters most. To reproduce this shade on paper, a printer utilizes 52% cyan and 0% magenta inks. With a hue angle of 148.1 degrees, it sits comfortably in the green spectrum.

Ensuring your text is legible against this background is a key part of web design. Mathematical luminance calculations suggest that #000000 text provides the most optimal reading experience. Always test your color combinations using a contrast checker before publishing.

Color Space Conversions

HEX#66D399
RGB102, 211, 153
HSL148.1°, 55.3%, 61.4%
CMYK52%, 0%, 27%, 17%
HSV148.1°, 51.7%, 82.7%
LAB77.1, -44.6, 19.4
XYZ34.5, 51.7, 38.3
Decimal6738841

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

1.85:1
Text on #FFFFFF
FAIL
11.34:1
Text on #000000
AAA
1.77:1
Text on #F8FAFC
FAIL
9.64:1
Text on #0F172A
AAA

CSS Implementation

.bg-color { background-color: #66D399; }
.text-color { color: #66D399; }
.border-color { border: 2px solid #66D399; }

Similar Colors

Mediumaquamarine
#66CDAA