Algae Green is a
cool light color with the hex code #81E4B3.
This vibrant hue can be represented as RGB
129, 228, 179 in digital design or CMYK 43%, 0%, 21%, 11% for print applications.
Find matching Pantone color.
Algae Green
#81E4B3
Algae Green color values
- HEX
- #81E4B3
- RGB
- 129, 228, 179
- HSL
- 150°, 65%, 70%
- CMYK
- 43, 0, 21, 11
Shades & tints
Darker Lighter
About this color
Algae Green sits at 150° on the color wheel with 65% saturation and 70% lightness, placing it in the cyan segment of the spectrum. At 65% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. At medium-high lightness, it holds its own on white backgrounds while remaining approachable.
In digital environments, Algae Green is rendered as rgb(129, 228, 179), where the green channel leads at 228, pulling the color toward the green-yellow axis. High saturation at this lightness produces strong contrast against white — effective for CTAs, badges, and elements that need to stop the eye.
For print, Algae Green translates to a CMYK breakdown of 43C 0M 21Y 11K. The low-to-moderate black value (11%) means the color's character in print comes primarily from its cyan ink content (43%), with black serving as a supporting shadow tone. 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 Algae Green
CSS Variable
:root {
--brand-primary: #81E4B3;
--brand-primary-rgb: 129, 228, 179;
}Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#81E4B3',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 43%
M: 0%
Y: 21%
K: 11%Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(129, 228, 179)
rgba(129, 228, 179, 0.8)Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #81E4B3?
#81E4B3 is Algae Green, a cool light color with RGB values of 129, 228, 179. It has a hue of 150°, 65%
saturation, and 70% lightness in the HSL color
space.
What is the RGB value of #81E4B3?
The RGB color code for #81E4B3 is rgb(129, 228, 179). This means it contains 129 red,
228 green, and 179 blue in the RGB color model.
Is Algae Green a warm or cool color?
Algae Green (#81E4B3) is a cool color with a hue between 120-300° on the color wheel.
How do I use #81E4B3 in CSS?
You can use #81E4B3 in CSS with:
background-color: #81E4B3; or color: #81E4B3; or as an RGB value: rgb(129, 228, 179). For print design, use CMYK: 43%, 0%, 21%, 11%.