The hexadecimal color code #178E15 represents a dark shade in the green family. In the RGB color model, this color is composed of 23 red, 142 green, and 21 blue, which translates to approximately 9% red, 56% green, and 8% 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, #178E15 has a hue of 119 degrees, a saturation level of 74%, and a lightness value of 32%. The hue angle of 119° places this color firmly in the green spectrum. In the HSV/HSB color model, this translates to a hue of 119°, saturation of 85%, and brightness/value of 56%.
For print applications using the CMYK color model, #178E15 would be reproduced using 84% cyan, 0% magenta, 85% yellow, and 44% black. The closest web-safe color is #009900, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #178E15 with other colors, consider its complementary color at hue 299° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1543701, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #178E15
Tailwind CSS
green-700
HEX
#178E15
RGB
rgb(23, 142, 21)
RGB %
9%, 56%, 8%
HSL
hsl(119, 74%, 32%)
HSV
hsv(119, 85%, 56%)
CMYK
84%, 0%, 85%, 44%
Decimal
1543701
Web Safe
#009900
🎨 Color Schemes for #178E15
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #178E15
🌗 Shades and Tints of #178E15
Shades (adding black)
Tints (adding white)
🎚️ Tones of #178E15
Tones (adding gray / desaturating)
🌈 Hue Variations of #178E15
Hue Variations (shifting the color spectrum)
👁️ Preview of #178E15 in Use
Text on #178E15
This demonstrates text readability on the color background. (Click to edit)
#178E15 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #178E15
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 Cool Green is a medium, vibrant, cool green color with a hue angle of 119°, saturation of 74%, and lightness of 32%. Its RGB value is (23, 142, 21) and its CMYK breakdown is C:84% M:0% Y:85% K:44%.
This is a Spring (Vital) color palette archetype. Nature, Growth, Harmony, Health. Green suggests stability and endurance, bridging the warm and cool colors.
Frequently Asked Questions About #178E15
What is the HEX code for Dark Cool Green? +
The HEX code for Dark Cool Green is #178E15. In CSS you can use it directly as color: #178E15; or as a background: background-color: #178E15;. 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 #178E15? +
The RGB value of #178E15 is rgb(23, 142, 21). This means the color contains 23 out of 255 parts red, 142 out of 255 parts green, and 21 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(23, 142, 21);
What is the HSL value of #178E15? +
The HSL value of #178E15 is hsl(119, 74%, 32%). The hue is 119°, placing it in the green family on the color wheel. The saturation is 74%, making it vibrant. The lightness is 32%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #178E15 a warm or cool color? +
#178E15 is classified as a cool color based on its hue angle of 119°. 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 #178E15? +
The approximate CMYK value of #178E15 is C:84% M:0% Y:85% K:44%. 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.
