Patina

Q: How do I use #639C8D in CSS?

You can use #639C8D in CSS with: background-color: #639C8D; or color: #639C8D; or as an RGB value: rgb(99, 156, 141). For print design, use CMYK: 37%, 0%, 10%, 39%.

#639C8D

Patina is a cool medium color with the hex code #639C8D. This muted hue can be represented as RGB 99, 156, 141 in digital design or CMYK 37%, 0%, 10%, 39% for print applications. Find matching Pantone color.

Patina color values

HEX: #639C8D
RGB: 99, 156, 141
HSL: 164°, 22%, 50%
CMYK: 37, 0, 10, 39

Shades & tints

Darker Lighter

About this color

Patina sits at 164° on the color wheel with 22% saturation and 50% lightness, placing it in the cyan segment of the spectrum. Its restrained 22% saturation keeps the hue subtle — present but not assertive, making it easy to layer over or under more expressive colors. 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, Patina is rendered as rgb(99, 156, 141), where the green channel leads at 156, 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, Patina translates to a CMYK breakdown of 37C 0M 10Y 39K. With a moderate key (39%), 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 Patina

CSS Variable

:root {
  --brand-primary: #639C8D;
  --brand-primary-rgb: 99, 156, 141;
}

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

Tailwind Config

colors: {
  brand: '#639C8D',
}

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

Print Design (CMYK)

C: 37%
M: 0%
Y: 10%
K: 39%

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

RGB for Screens

rgb(99, 156, 141)
rgba(99, 156, 141, 0.8)

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

Brands using similar hue

21 brand s with colors near 164° on the color wheel

Frequently asked questions

What color is #639C8D?

#639C8D is Patina, a cool medium color with RGB values of 99, 156, 141. It has a hue of 164°, 22% saturation, and 50% lightness in the HSL color space.

What is the RGB value of #639C8D?

The RGB color code for #639C8D is rgb(99, 156, 141). This means it contains 99 red, 156 green, and 141 blue in the RGB color model.

Is Patina a warm or cool color?

Patina (#639C8D) is a cool color with a hue between 120-300° on the color wheel.

How do I use #639C8D in CSS?

You can use #639C8D in CSS with: background-color: #639C8D; or color: #639C8D; or as an RGB value: rgb(99, 156, 141). For print design, use CMYK: 37%, 0%, 10%, 39%.