The hexadecimal color code #15561B represents a dark shade in the green family. In the RGB color model, this color is composed of 21 red, 86 green, and 27 blue, which translates to approximately 8% red, 34% 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, #15561B has a hue of 126 degrees, a saturation level of 61%, and a lightness value of 21%. The hue angle of 126° places this color firmly in the green spectrum. In the HSV/HSB color model, this translates to a hue of 126°, saturation of 76%, and brightness/value of 34%.
For print applications using the CMYK color model, #15561B would be reproduced using 76% cyan, 0% magenta, 69% yellow, and 66% black. The closest web-safe color is #006633, 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 #15561B with other colors, consider its complementary color at hue 306° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1398299, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #15561B
Tailwind CSS
green-900
HEX
#15561B
RGB
rgb(21, 86, 27)
RGB %
8%, 34%, 11%
HSL
hsl(126, 61%, 21%)
HSV
hsv(126, 76%, 34%)
CMYK
76%, 0%, 69%, 66%
Decimal
1398299
Web Safe
#006633
🎨 Color Schemes for #15561B
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #15561B
🌗 Shades and Tints of #15561B
Shades (adding black)
Tints (adding white)
🎚️ Tones of #15561B
Tones (adding gray / desaturating)
🌈 Hue Variations of #15561B
Hue Variations (shifting the color spectrum)
👁️ Preview of #15561B in Use
Text on #15561B
This demonstrates text readability on the color background. (Click to edit)
#15561B as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #15561B
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.
Deep Cool Emerald is a dark, vibrant, cool green color with a hue angle of 126°, saturation of 61%, and lightness of 21%. Its RGB value is (21, 86, 27) and its CMYK breakdown is C:76% M:0% Y:69% K:66%.
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 #15561B
What is the HEX code for Deep Cool Emerald? +
The HEX code for Deep Cool Emerald is #15561B. In CSS you can use it directly as color: #15561B; or as a background: background-color: #15561B;. 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 #15561B? +
The RGB value of #15561B is rgb(21, 86, 27). This means the color contains 21 out of 255 parts red, 86 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(21, 86, 27);
What is the HSL value of #15561B? +
The HSL value of #15561B is hsl(126, 61%, 21%). The hue is 126°, placing it in the green family on the color wheel. The saturation is 61%, making it vibrant. The lightness is 21%, 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 #15561B a warm or cool color? +
#15561B is classified as a cool color based on its hue angle of 126°. 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 #15561B? +
The approximate CMYK value of #15561B is C:76% M:0% Y:69% K:66%. 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.
