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Bitter

#818778

Bitter is a neutral medium color with the hex code #818778. This muted hue can be represented as RGB 129, 135, 120 in digital design or CMYK 4%, 0%, 11%, 47% for print applications. Find matching Pantone color.

Bitter color values

HEX
#818778
RGB
129, 135, 120
HSL
84°, 6%, 50%
CMYK
4, 0, 11, 47

Shades & tints

Darker Lighter

About this color

Bitter sits at 84° on the color wheel with 6% saturation and 50% lightness, placing it in the green segment of the spectrum. At near-zero saturation, it reads as a pure gray, with hue playing almost no role in its character. 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, Bitter is rendered as rgb(129, 135, 120), where the green channel leads at 135, with red and blue channels close behind. This muted, medium-toned character adapts well to supporting roles: borders, disabled states, secondary text, and structural UI elements.

For print, Bitter translates to a CMYK breakdown of 4C 0M 11Y 47K. With a moderate key (47%), 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 Bitter

CSS Variable 

:root {
  --brand-primary: #818778;
  --brand-primary-rgb: 129, 135, 120;
}

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

Tailwind Config 

colors: {
  brand: '#818778',
}

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

Print Design (CMYK) 

C: 4%
M: 0%
Y: 11%
K: 47%

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

RGB for Screens 

rgb(129, 135, 120)
rgba(129, 135, 120, 0.8)

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

Frequently asked questions

What color is #818778?
#818778 is Bitter, a neutral medium color with RGB values of 129, 135, 120. It has a hue of 84°, 6% saturation, and 50% lightness in the HSL color space.
What is the RGB value of #818778?
The RGB color code for #818778 is rgb(129, 135, 120). This means it contains 129 red, 135 green, and 120 blue in the RGB color model.
Is Bitter a warm or cool color?
Bitter (#818778) is a neutral color, sitting between warm and cool on the color wheel.
How do I use #818778 in CSS?
You can use #818778 in CSS with: background-color: #818778; or color: #818778; or as an RGB value: rgb(129, 135, 120). For print design, use CMYK: 4%, 0%, 11%, 47%.

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