The hexadecimal color code #C9E133 represents a medium shade in the yellow family. In the RGB color model, this color is composed of 201 red, 225 green, and 51 blue, which translates to approximately 79% red, 88% green, and 20% 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, #C9E133 has a hue of 68 degrees, a saturation level of 74%, and a lightness value of 54%. The hue angle of 68° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 68°, saturation of 77%, and brightness/value of 88%.
For print applications using the CMYK color model, #C9E133 would be reproduced using 11% cyan, 0% magenta, 77% yellow, and 12% black. The closest web-safe color is #CCCC33, 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 #C9E133 with other colors, consider its complementary color at hue 248° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 13230387, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #C9E133
Tailwind CSS
lime-400
HEX
#C9E133
RGB
rgb(201, 225, 51)
RGB %
79%, 88%, 20%
HSL
hsl(68, 74%, 54%)
HSV
hsv(68, 77%, 88%)
CMYK
11%, 0%, 77%, 12%
Decimal
13230387
Web Safe
#CCCC33
🎨 Color Schemes for #C9E133
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #C9E133
🌗 Shades and Tints of #C9E133
Shades (adding black)
Tints (adding white)
🎚️ Tones of #C9E133
Tones (adding gray / desaturating)
🌈 Hue Variations of #C9E133
Hue Variations (shifting the color spectrum)
👁️ Preview of #C9E133 in Use
Text on #C9E133
This demonstrates text readability on the color background. (Click to edit)
#C9E133 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #C9E133
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.
Warm Yellow is a medium, vibrant, warm yellow color with a hue angle of 68°, saturation of 74%, and lightness of 54%. Its RGB value is (201, 225, 51) and its CMYK breakdown is C:11% M:0% Y:77% K:12%.
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 #C9E133
What is the HEX code for Warm Yellow? +
The HEX code for Warm Yellow is #C9E133. In CSS you can use it directly as color: #C9E133; or as a background: background-color: #C9E133;. 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 #C9E133? +
The RGB value of #C9E133 is rgb(201, 225, 51). This means the color contains 201 out of 255 parts red, 225 out of 255 parts green, and 51 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(201, 225, 51);
What is the HSL value of #C9E133? +
The HSL value of #C9E133 is hsl(68, 74%, 54%). The hue is 68°, placing it in the yellow family on the color wheel. The saturation is 74%, 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 #C9E133 a warm or cool color? +
#C9E133 is classified as a warm color based on its hue angle of 68°. 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 #C9E133? +
The approximate CMYK value of #C9E133 is C:11% M:0% Y:77% K:12%. 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.
