Sea Green

Q: How do I use #309C66 in CSS?

You can use #309C66 in CSS with: background-color: #309C66; or color: #309C66; or as an RGB value: rgb(48, 156, 102). For print design, use CMYK: 69%, 0%, 35%, 39%.

#309C66

Sea Green is a cool medium color with the hex code #309C66. This moderately saturated hue can be represented as RGB 48, 156, 102 in digital design or CMYK 69%, 0%, 35%, 39% for print applications. Find matching Pantone color.

Sea Green Color Values

HEX: #309C66
RGB: 48, 156, 102
HSL: 150°, 53%, 40%
CMYK: 69, 0, 35, 39

Shades & Tints

Darker Lighter

About this color

Sea Green sits at 150° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 53% saturation and 40% lightness, this moderately saturated medium hue balances visibility with restraint.

In digital design, cool colors like Sea Green work well for backgrounds, navigation, and establishing trust. Medium-toned colors offer versatility across both light and dark design themes.

When using Sea Green in print, the CMYK breakdown of 69%, 0%, 35%, 39% ensures accurate color reproduction. This balanced CMYK profile should reproduce consistently across different printing methods.

Color Harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Sea Green

CSS Variable

:root {
  --brand-primary: #309C66;
  --brand-primary-rgb: 48, 156, 102;
}

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

Tailwind Config

colors: {
  brand: '#309C66',
}

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

Print Design (CMYK)

C: 69%
M: 0%
Y: 35%
K: 39%

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

RGB for Screens

rgb(48, 156, 102)
rgba(48, 156, 102, 0.8)

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

Brands Using the Same Hue

6 brand s with colors near 150° on the color wheel

Frequently Asked Questions

What color is #309C66?

#309C66 is Sea Green, a cool medium color with RGB values of 48, 156, 102. It has a hue of 150°, 53% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #309C66?

The RGB color code for #309C66 is rgb(48, 156, 102). This means it contains 48 red, 156 green, and 102 blue in the RGB color model.

Is Sea Green a warm or cool color?

Sea Green (#309C66) is a cool color with a hue between 120-300° on the color wheel.

How do I use #309C66 in CSS?

You can use #309C66 in CSS with: background-color: #309C66; or color: #309C66; or as an RGB value: rgb(48, 156, 102). For print design, use CMYK: 69%, 0%, 35%, 39%.