Chateau Green

Q: How do I use #128C41 in CSS?

You can use #128C41 in CSS with: background-color: #128C41; or color: #128C41; or as an RGB value: rgb(18, 140, 65). For print design, use CMYK: 87%, 0%, 54%, 45%.

#128C41

Chateau Green is a cool dark color with the hex code #128C41. This vibrant hue can be represented as RGB 18, 140, 65 in digital design or CMYK 87%, 0%, 54%, 45% for print applications. Find matching Pantone color.

Chateau Green color values

HEX: #128C41
RGB: 18, 140, 65
HSL: 143°, 77%, 31%
CMYK: 87, 0, 54, 45

Shades & tints

Darker Lighter

About this color

Chateau Green sits at 143° on the color wheel with 77% saturation and 31% lightness, placing it in the green segment of the spectrum. At 77% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. The lower lightness gives it weight and depth, lending gravity to any palette it enters.

In digital environments, Chateau Green is rendered as rgb(18, 140, 65), where the green channel leads at 140, producing a distinctly green-dominant tone. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.

For print, Chateau Green translates to a CMYK breakdown of 87C 0M 54Y 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 Chateau Green

CSS Variable

:root {
  --brand-primary: #128C41;
  --brand-primary-rgb: 18, 140, 65;
}

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

Tailwind Config

colors: {
  brand: '#128C41',
}

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

Print Design (CMYK)

C: 87%
M: 0%
Y: 54%
K: 45%

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

RGB for Screens

rgb(18, 140, 65)
rgba(18, 140, 65, 0.8)

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

Brands using similar hue

15 brand s with colors near 143° on the color wheel

Frequently asked questions

What color is #128C41?

#128C41 is Chateau Green, a cool dark color with RGB values of 18, 140, 65. It has a hue of 143°, 77% saturation, and 31% lightness in the HSL color space.

What is the RGB value of #128C41?

The RGB color code for #128C41 is rgb(18, 140, 65). This means it contains 18 red, 140 green, and 65 blue in the RGB color model.

Is Chateau Green a warm or cool color?

Chateau Green (#128C41) is a cool color with a hue between 120-300° on the color wheel.

How do I use #128C41 in CSS?

You can use #128C41 in CSS with: background-color: #128C41; or color: #128C41; or as an RGB value: rgb(18, 140, 65). For print design, use CMYK: 87%, 0%, 54%, 45%.