Emerald

Q: How do I use #66CC86 in CSS?

You can use #66CC86 in CSS with: background-color: #66CC86; or color: #66CC86; or as an RGB value: rgb(102, 204, 134). For print design, use CMYK: 50%, 0%, 34%, 20%.

#66CC86

Emerald is a cool light color with the hex code #66CC86. This moderately saturated hue can be represented as RGB 102, 204, 134 in digital design or CMYK 50%, 0%, 34%, 20% for print applications. Find matching Pantone color.

Emerald color values

HEX: #66CC86
RGB: 102, 204, 134
HSL: 139°, 50%, 60%
CMYK: 50, 0, 34, 20

Shades & tints

Darker Lighter

About this color

Emerald sits at 139° on the color wheel with 50% saturation and 60% lightness, placing it in the green segment of the spectrum. The moderate 50% saturation gives it enough color presence to register clearly without competing for dominance in a composition. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.

In digital environments, Emerald is rendered as rgb(102, 204, 134), where the green channel leads at 204, producing a distinctly green-dominant tone. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.

For print, Emerald translates to a CMYK breakdown of 50C 0M 34Y 20K. The low-to-moderate black value (20%) means the color's character in print comes primarily from its cyan ink content (50%), with black serving as a supporting shadow tone. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

Color harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Emerald

CSS Variable

:root {
  --brand-primary: #66CC86;
  --brand-primary-rgb: 102, 204, 134;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config

colors: {
  brand: '#66CC86',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK)

C: 50%
M: 0%
Y: 34%
K: 20%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens

rgb(102, 204, 134)
rgba(102, 204, 134, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Brands using similar hue

14 brand s with colors near 139° on the color wheel

Frequently asked questions

What color is #66CC86?

#66CC86 is Emerald, a cool light color with RGB values of 102, 204, 134. It has a hue of 139°, 50% saturation, and 60% lightness in the HSL color space.

What is the RGB value of #66CC86?

The RGB color code for #66CC86 is rgb(102, 204, 134). This means it contains 102 red, 204 green, and 134 blue in the RGB color model.

Is Emerald a warm or cool color?

Emerald (#66CC86) is a cool color with a hue between 120-300° on the color wheel.

How do I use #66CC86 in CSS?

You can use #66CC86 in CSS with: background-color: #66CC86; or color: #66CC86; or as an RGB value: rgb(102, 204, 134). For print design, use CMYK: 50%, 0%, 34%, 20%.