Sea Green

Q: How do I use #3F8D58 in CSS?

You can use #3F8D58 in CSS with: background-color: #3F8D58; or color: #3F8D58; or as an RGB value: rgb(63, 141, 88). For print design, use CMYK: 55%, 0%, 38%, 45%.

#3F8D58

Sea Green is a cool medium color with the hex code #3F8D58. This moderately saturated hue can be represented as RGB 63, 141, 88 in digital design or CMYK 55%, 0%, 38%, 45% for print applications. Find matching Pantone color.

Sea Green color values

HEX: #3F8D58
RGB: 63, 141, 88
HSL: 139°, 38%, 40%
CMYK: 55, 0, 38, 45

Shades & tints

Darker Lighter

About this color

Sea Green sits at 139° on the color wheel with 38% saturation and 40% lightness, placing it in the green segment of the spectrum. The moderate 38% 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(63, 141, 88), where the green channel leads at 141, 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 55C 0M 38Y 45K. With a moderate key (45%), 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

Analogous

Triadic

Split-Complementary

How to use Sea Green

CSS Variable

:root {
  --brand-primary: #3F8D58;
  --brand-primary-rgb: 63, 141, 88;
}

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

Tailwind Config

colors: {
  brand: '#3F8D58',
}

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

Print Design (CMYK)

C: 55%
M: 0%
Y: 38%
K: 45%

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

RGB for Screens

rgb(63, 141, 88)
rgba(63, 141, 88, 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 #3F8D58?

#3F8D58 is Sea Green, a cool medium color with RGB values of 63, 141, 88. It has a hue of 139°, 38% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #3F8D58?

The RGB color code for #3F8D58 is rgb(63, 141, 88). This means it contains 63 red, 141 green, and 88 blue in the RGB color model.

Is Sea Green a warm or cool color?

Sea Green (#3F8D58) is a cool color with a hue between 120-300° on the color wheel.

How do I use #3F8D58 in CSS?

You can use #3F8D58 in CSS with: background-color: #3F8D58; or color: #3F8D58; or as an RGB value: rgb(63, 141, 88). For print design, use CMYK: 55%, 0%, 38%, 45%.