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Sea Green

#339964

Sea Green is a cool medium color with the hex code #339964. This moderately saturated hue can be represented as RGB 51, 153, 100 in digital design or CMYK 67%, 0%, 35%, 40% for print applications. Find matching Pantone color.

Sea Green color values

HEX
#339964
RGB
51, 153, 100
HSL
149°, 50%, 40%
CMYK
67, 0, 35, 40

Shades & tints

Darker Lighter

About this color

Sea Green sits at 149° on the color wheel with 50% saturation and 40% 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. Its mid-range lightness positions it as a mid-tone: neither a background color nor a deep accent, but something in between.

In digital environments, Sea Green is rendered as rgb(51, 153, 100), where the green channel leads at 153, pulling the color toward the green-yellow axis. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.

For print, Sea Green translates to a CMYK breakdown of 67C 0M 35Y 40K. With a moderate key (40%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. 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 Sea Green

CSS Variable 

:root {
  --brand-primary: #339964;
  --brand-primary-rgb: 51, 153, 100;
}

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

Tailwind Config 

colors: {
  brand: '#339964',
}

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

Print Design (CMYK) 

C: 67%
M: 0%
Y: 35%
K: 40%

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

RGB for Screens 

rgb(51, 153, 100)
rgba(51, 153, 100, 0.8)

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

Brands using similar hue

13 brand s with colors near 149° on the color wheel

Hulu logo
Hulu
Naver logo
Naver
Chime logo
Chime
MongoDB logo
MongoDB

Frequently asked questions

What color is #339964?
#339964 is Sea Green, a cool medium color with RGB values of 51, 153, 100. It has a hue of 149°, 50% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #339964?
The RGB color code for #339964 is rgb(51, 153, 100). This means it contains 51 red, 153 green, and 100 blue in the RGB color model.
Is Sea Green a warm or cool color?
Sea Green (#339964) is a cool color with a hue between 120-300° on the color wheel.
How do I use #339964 in CSS?
You can use #339964 in CSS with: background-color: #339964; or color: #339964; or as an RGB value: rgb(51, 153, 100). For print design, use CMYK: 67%, 0%, 35%, 40%.

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