The hexadecimal color code #12821B represents a dark shade in the green family. In the RGB color model, this color is composed of 18 red, 130 green, and 27 blue, which translates to approximately 7% red, 51% green, and 11% blue. This makes it a moderately saturated color with cool undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #12821B has a hue of 125 degrees, a saturation level of 76%, and a lightness value of 29%. The hue angle of 125° places this color firmly in the green spectrum. In the HSV/HSB color model, this translates to a hue of 125°, saturation of 86%, and brightness/value of 51%.
For print applications using the CMYK color model, #12821B would be reproduced using 86% cyan, 0% magenta, 79% yellow, and 49% black. The closest web-safe color is #009933, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. As a darker shade, it works well for text, headers, and creating visual weight in compositions. The high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #12821B with other colors, consider its complementary color at hue 305° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1212955, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #12821B
Tailwind CSS
green-700
HEX
#12821B
RGB
rgb(18, 130, 27)
RGB %
7%, 51%, 11%
HSL
hsl(125, 76%, 29%)
HSV
hsv(125, 86%, 51%)
CMYK
86%, 0%, 79%, 49%
Decimal
1212955
Web Safe
#009933
🎨 Color Schemes for #12821B
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #12821B
🌗 Shades and Tints of #12821B
Shades (adding black)
Tints (adding white)
🎚️ Tones of #12821B
Tones (adding gray / desaturating)
🌈 Hue Variations of #12821B
Hue Variations (shifting the color spectrum)
👁️ Preview of #12821B in Use
Text on #12821B
This demonstrates text readability on the color background. (Click to edit)
#12821B as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #12821B
Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.
Dark Vivid Emerald is a dark, vibrant, cool green color with a hue angle of 125°, saturation of 76%, and lightness of 29%. Its RGB value is (18, 130, 27) and its CMYK breakdown is C:86% M:0% Y:79% K:49%.
This is a Winter (Deep) color palette archetype. Nature, Growth, Harmony, Health. Green suggests stability and endurance, bridging the warm and cool colors.
Frequently Asked Questions About #12821B
What is the HEX code for Dark Vivid Emerald? +
The HEX code for Dark Vivid Emerald is #12821B. In CSS you can use it directly as color: #12821B; or as a background: background-color: #12821B;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.
What is the RGB value of #12821B? +
The RGB value of #12821B is rgb(18, 130, 27). This means the color contains 18 out of 255 parts red, 130 out of 255 parts green, and 27 out of 255 parts blue. Red is the weakest (with blue dominant) channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(18, 130, 27);
What is the HSL value of #12821B? +
The HSL value of #12821B is hsl(125, 76%, 29%). The hue is 125°, placing it in the green family on the color wheel. The saturation is 76%, making it vibrant. The lightness is 29%, making it dark. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #12821B a warm or cool color? +
#12821B is classified as a cool color based on its hue angle of 125°. Cool colors — blues, greens, and purples — evoke calm, trust, and professionalism. They tend to recede visually and create a feeling of space. In design, cool colors are often used for technology, healthcare, and finance brands, as well as anywhere a sense of calm or reliability is needed.
What is the CMYK value of #12821B? +
The approximate CMYK value of #12821B is C:86% M:0% Y:79% K:49%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.
