The hexadecimal color code #99E331 represents a medium shade in the yellow family. In the RGB color model, this color is composed of 153 red, 227 green, and 49 blue, which translates to approximately 60% red, 89% green, and 19% 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, #99E331 has a hue of 85 degrees, a saturation level of 76%, and a lightness value of 54%. The hue angle of 85° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 85°, saturation of 78%, and brightness/value of 89%.
For print applications using the CMYK color model, #99E331 would be reproduced using 33% cyan, 0% magenta, 78% yellow, and 11% black. The closest web-safe color is #99CC33, 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 #99E331 with other colors, consider its complementary color at hue 265° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 10085169, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #99E331
Tailwind CSS
lime-400
HEX
#99E331
RGB
rgb(153, 227, 49)
RGB %
60%, 89%, 19%
HSL
hsl(85, 76%, 54%)
HSV
hsv(85, 78%, 89%)
CMYK
33%, 0%, 78%, 11%
Decimal
10085169
Web Safe
#99CC33
🎨 Color Schemes for #99E331
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #99E331
🌗 Shades and Tints of #99E331
Shades (adding black)
Tints (adding white)
🎚️ Tones of #99E331
Tones (adding gray / desaturating)
🌈 Hue Variations of #99E331
Hue Variations (shifting the color spectrum)
👁️ Preview of #99E331 in Use
Text on #99E331
This demonstrates text readability on the color background. (Click to edit)
#99E331 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #99E331
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 Chartreuse is a medium, vibrant, warm yellow color with a hue angle of 85°, saturation of 76%, and lightness of 54%. Its RGB value is (153, 227, 49) and its CMYK breakdown is C:33% M:0% Y:78% K:11%.
This is a Spring (Vital) color palette archetype. Happiness, Positivity, Optimism, Caution. Yellow is the most luminous of all the colors of the spectrum.
Frequently Asked Questions About #99E331
What is the HEX code for Vivid Chartreuse? +
The HEX code for Vivid Chartreuse is #99E331. In CSS you can use it directly as color: #99E331; or as a background: background-color: #99E331;. 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 #99E331? +
The RGB value of #99E331 is rgb(153, 227, 49). This means the color contains 153 out of 255 parts red, 227 out of 255 parts green, and 49 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(153, 227, 49);
What is the HSL value of #99E331? +
The HSL value of #99E331 is hsl(85, 76%, 54%). The hue is 85°, placing it in the yellow family on the color wheel. The saturation is 76%, making it vibrant. The lightness is 54%, 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 #99E331 a warm or cool color? +
#99E331 is classified as a warm color based on its hue angle of 85°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.
What is the CMYK value of #99E331? +
The approximate CMYK value of #99E331 is C:33% M:0% Y:78% K:11%. 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.
