The hexadecimal color code #B1D539 represents a medium shade in the yellow family. In the RGB color model, this color is composed of 177 red, 213 green, and 57 blue, which translates to approximately 69% red, 84% green, and 22% 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, #B1D539 has a hue of 74 degrees, a saturation level of 65%, and a lightness value of 53%. The hue angle of 74° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 74°, saturation of 73%, and brightness/value of 84%.
For print applications using the CMYK color model, #B1D539 would be reproduced using 17% cyan, 0% magenta, 73% yellow, and 16% 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 #B1D539 with other colors, consider its complementary color at hue 254° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 11654457, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #B1D539
Tailwind CSS
lime-400
HEX
#B1D539
RGB
rgb(177, 213, 57)
RGB %
69%, 84%, 22%
HSL
hsl(74, 65%, 53%)
HSV
hsv(74, 73%, 84%)
CMYK
17%, 0%, 73%, 16%
Decimal
11654457
Web Safe
#99CC33
🎨 Color Schemes for #B1D539
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #B1D539
🌗 Shades and Tints of #B1D539
Shades (adding black)
Tints (adding white)
🎚️ Tones of #B1D539
Tones (adding gray / desaturating)
🌈 Hue Variations of #B1D539
Hue Variations (shifting the color spectrum)
👁️ Preview of #B1D539 in Use
Text on #B1D539
This demonstrates text readability on the color background. (Click to edit)
#B1D539 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #B1D539
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.
Cool Yellow is a medium, vibrant, warm yellow color with a hue angle of 74°, saturation of 65%, and lightness of 53%. Its RGB value is (177, 213, 57) and its CMYK breakdown is C:17% M:0% Y:73% K:16%.
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 #B1D539
What is the HEX code for Cool Yellow? +
The HEX code for Cool Yellow is #B1D539. In CSS you can use it directly as color: #B1D539; or as a background: background-color: #B1D539;. 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 #B1D539? +
The RGB value of #B1D539 is rgb(177, 213, 57). This means the color contains 177 out of 255 parts red, 213 out of 255 parts green, and 57 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(177, 213, 57);
What is the HSL value of #B1D539? +
The HSL value of #B1D539 is hsl(74, 65%, 53%). The hue is 74°, placing it in the yellow family on the color wheel. The saturation is 65%, making it vibrant. The lightness is 53%, 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 #B1D539 a warm or cool color? +
#B1D539 is classified as a warm color based on its hue angle of 74°. 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 #B1D539? +
The approximate CMYK value of #B1D539 is C:17% M:0% Y:73% K:16%. 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.
