Sea Green

Q: How do I use #21783B in CSS?

You can use #21783B in CSS with: background-color: #21783B; or color: #21783B; or as an RGB value: rgb(33, 120, 59). For print design, use CMYK: 73%, 0%, 51%, 53%.

#21783B

Sea Green is a cool dark color with the hex code #21783B. This moderately saturated hue can be represented as RGB 33, 120, 59 in digital design or CMYK 73%, 0%, 51%, 53% for print applications. Find matching Pantone color.

Sea Green Color Values

HEX: #21783B
RGB: 33, 120, 59
HSL: 138°, 57%, 30%
CMYK: 73, 0, 51, 53

Shades & Tints

Darker Lighter

About this color

Sea Green sits at 138° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 57% saturation and 30% lightness, this moderately saturated dark hue balances visibility with restraint.

In digital design, cool colors like Sea Green work well for backgrounds, navigation, and establishing trust. Dark colors provide excellent contrast for text overlays and premium brand aesthetics.

When using Sea Green in print, the CMYK breakdown of 73%, 0%, 51%, 53% 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: #21783B;
  --brand-primary-rgb: 33, 120, 59;
}

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

Tailwind Config

colors: {
  brand: '#21783B',
}

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

Print Design (CMYK)

C: 73%
M: 0%
Y: 51%
K: 53%

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

RGB for Screens

rgb(33, 120, 59)
rgba(33, 120, 59, 0.8)

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

Brands Using the Same Hue

5 brand s with colors near 138° on the color wheel

Frequently Asked Questions

What color is #21783B?

#21783B is Sea Green, a cool dark color with RGB values of 33, 120, 59. It has a hue of 138°, 57% saturation, and 30% lightness in the HSL color space.

What is the RGB value of #21783B?

The RGB color code for #21783B is rgb(33, 120, 59). This means it contains 33 red, 120 green, and 59 blue in the RGB color model.

Is Sea Green a warm or cool color?

Sea Green (#21783B) is a cool color with a hue between 120-300° on the color wheel.

How do I use #21783B in CSS?

You can use #21783B in CSS with: background-color: #21783B; or color: #21783B; or as an RGB value: rgb(33, 120, 59). For print design, use CMYK: 73%, 0%, 51%, 53%.