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Emerald

#42F09C

Emerald is a cool light color with the hex code #42F09C. This vibrant hue can be represented as RGB 66, 240, 156 in digital design or CMYK 73%, 0%, 35%, 6% for print applications. Find matching Pantone color.

Emerald color values

HEX
#42F09C
RGB
66, 240, 156
HSL
151°, 85%, 60%
CMYK
73, 0, 35, 6

Shades & tints

Darker Lighter

About this color

Emerald sits at 151° on the color wheel with 85% saturation and 60% lightness, placing it in the cyan segment of the spectrum. With saturation at 85%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.

In digital environments, Emerald is rendered as rgb(66, 240, 156), where the green channel leads at 240, producing a distinctly green-dominant tone. High saturation at this lightness produces strong contrast against white — effective for CTAs, badges, and elements that need to stop the eye.

For print, Emerald translates to a CMYK breakdown of 73C 0M 35Y 6K. The low-to-moderate black value (6%) means the color's character in print comes primarily from its cyan ink content (73%), 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

Split-Complementary

How to use Emerald

CSS Variable 

:root {
  --brand-primary: #42F09C;
  --brand-primary-rgb: 66, 240, 156;
}

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

Tailwind Config 

colors: {
  brand: '#42F09C',
}

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

Print Design (CMYK) 

C: 73%
M: 0%
Y: 35%
K: 6%

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

RGB for Screens 

rgb(66, 240, 156)
rgba(66, 240, 156, 0.8)

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

Brands using similar hue

15 brand s with colors near 151° on the color wheel

Chime logo
Chime
Hulu logo
Hulu
Naver logo
Naver
Slack logo
Slack

Frequently asked questions

What color is #42F09C?
#42F09C is Emerald, a cool light color with RGB values of 66, 240, 156. It has a hue of 151°, 85% saturation, and 60% lightness in the HSL color space.
What is the RGB value of #42F09C?
The RGB color code for #42F09C is rgb(66, 240, 156). This means it contains 66 red, 240 green, and 156 blue in the RGB color model.
Is Emerald a warm or cool color?
Emerald (#42F09C) is a cool color with a hue between 120-300° on the color wheel.
How do I use #42F09C in CSS?
You can use #42F09C in CSS with: background-color: #42F09C; or color: #42F09C; or as an RGB value: rgb(66, 240, 156). For print design, use CMYK: 73%, 0%, 35%, 6%.

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