#66B657

A medium, moderate green closely aligning with Mediumseagreen.

About #66B657

The precise color #66B657 is an excellent choice for modern design projects. Designers often compare it to the standard color Mediumseagreen. To achieve this exact tint on a monitor, you would use an RGB mix of 102, 182, and 87.

While screens use RGB, printing presses rely on Cyan, Magenta, Yellow, and Key (black). This specific hue requires a mix of 44% C, 0% M, 52% Y, and 29% K. Always request a physical proof before doing a large print run with this exact code.

Contrast ratios determine whether this color is safe for typography. The calculated luminance score dictates that #000000 typography is the safest choice. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.

Color Space Conversions

HEX#66B657
RGB102, 182, 87
HSL110.5°, 39.4%, 52.7%
CMYK44%, 0%, 52%, 29%
HSV110.5°, 52.2%, 71.4%
LAB67.3, -43.1, 40.5
XYZ23.9, 37.0, 14.9
Decimal6731351

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

2.50:1
Text on #FFFFFF
FAIL
8.39:1
Text on #000000
AAA
2.39:1
Text on #F8FAFC
FAIL
7.14:1
Text on #0F172A
AAA

CSS Implementation

.bg-color { background-color: #66B657; }
.text-color { color: #66B657; }
.border-color { border: 2px solid #66B657; }

Similar Colors

Mediumseagreen
#3CB371