Observatory is a
cool dark color with the hex code #12876F.
This vibrant hue can be represented as RGB
18, 135, 111 in digital design or CMYK 87%, 0%, 18%, 47% for print applications.
Find matching Pantone color.
Observatory
#12876F
Observatory color values
- HEX
- #12876F
- RGB
- 18, 135, 111
- HSL
- 168°, 76%, 30%
- CMYK
- 87, 0, 18, 47
Shades & tints
Darker Lighter
About this color
Observatory sits at 168° on the color wheel with 76% saturation and 30% lightness, placing it in the cyan segment of the spectrum. At 76% 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, Observatory is rendered as rgb(18, 135, 111), where the green channel leads at 135, with red and blue channels close behind. High saturation combined with low lightness creates deep, jewel-toned results — useful for premium UI elements, hover states, and focused interaction areas.
For print, Observatory translates to a CMYK breakdown of 87C 0M 18Y 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
Analogous
Triadic
Split-Complementary
How to use Observatory
CSS Variable
:root {
--brand-primary: #12876F;
--brand-primary-rgb: 18, 135, 111;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#12876F',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 87%
M: 0%
Y: 18%
K: 47%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(18, 135, 111)
rgba(18, 135, 111, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #12876F?
#12876F is Observatory, a cool dark color with RGB values of 18, 135, 111. It has a hue of 168°, 76%
saturation, and 30% lightness in the HSL color
space.
What is the RGB value of #12876F?
The RGB color code for #12876F is rgb(18, 135, 111). This means it contains 18 red,
135 green, and 111 blue in the RGB color model.
Is Observatory a warm or cool color?
Observatory (#12876F) is a cool color with a hue between 120-300° on the color wheel.
How do I use #12876F in CSS?
You can use #12876F in CSS with:
background-color: #12876F; or color: #12876F; or as an RGB value: rgb(18, 135, 111). For print design, use CMYK: 87%, 0%, 18%, 47%.