The hexadecimal color code #15C621 represents a medium shade in the green family. In the RGB color model, this color is composed of 21 red, 198 green, and 33 blue, which translates to approximately 8% red, 78% green, and 13% blue. This makes it a highly 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, #15C621 has a hue of 124 degrees, a saturation level of 81%, and a lightness value of 43%. The hue angle of 124° places this color firmly in the green spectrum. In the HSV/HSB color model, this translates to a hue of 124°, saturation of 89%, and brightness/value of 78%.
For print applications using the CMYK color model, #15C621 would be reproduced using 89% cyan, 0% magenta, 83% yellow, and 22% black. The closest web-safe color is #00CC33, 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 #15C621 with other colors, consider its complementary color at hue 304° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 1426977, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #15C621
Tailwind CSS
green-600
HEX
#15C621
RGB
rgb(21, 198, 33)
RGB %
8%, 78%, 13%
HSL
hsl(124, 81%, 43%)
HSV
hsv(124, 89%, 78%)
CMYK
89%, 0%, 83%, 22%
Decimal
1426977
Web Safe
#00CC33
🎨 Color Schemes for #15C621
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #15C621
🌗 Shades and Tints of #15C621
Shades (adding black)
Tints (adding white)
🎚️ Tones of #15C621
Tones (adding gray / desaturating)
🌈 Hue Variations of #15C621
Hue Variations (shifting the color spectrum)
👁️ Preview of #15C621 in Use
Text on #15C621
This demonstrates text readability on the color background. (Click to edit)
#15C621 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #15C621
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.
Vivid Emerald is a medium, vibrant, cool green color with a hue angle of 124°, saturation of 81%, and lightness of 43%. Its RGB value is (21, 198, 33) and its CMYK breakdown is C:89% M:0% Y:83% K:22%.
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 #15C621
What is the HEX code for Vivid Emerald? +
The HEX code for Vivid Emerald is #15C621. In CSS you can use it directly as color: #15C621; or as a background: background-color: #15C621;. 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 #15C621? +
The RGB value of #15C621 is rgb(21, 198, 33). This means the color contains 21 out of 255 parts red, 198 out of 255 parts green, and 33 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, 198, 33);
What is the HSL value of #15C621? +
The HSL value of #15C621 is hsl(124, 81%, 43%). The hue is 124°, placing it in the green family on the color wheel. The saturation is 81%, making it vibrant. The lightness is 43%, 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 #15C621 a warm or cool color? +
#15C621 is classified as a cool color based on its hue angle of 124°. 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 #15C621? +
The approximate CMYK value of #15C621 is C:89% M:0% Y:83% K:22%. 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.
