The hexadecimal color code #ECF71D represents a medium shade in the yellow family. In the RGB color model, this color is composed of 236 red, 247 green, and 29 blue, which translates to approximately 93% red, 97% green, and 11% 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, #ECF71D has a hue of 63 degrees, a saturation level of 93%, and a lightness value of 54%. The hue angle of 63° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 63°, saturation of 88%, and brightness/value of 97%.
For print applications using the CMYK color model, #ECF71D would be reproduced using 4% cyan, 0% magenta, 88% yellow, and 3% black. The closest web-safe color is #FFFF33, 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 #ECF71D with other colors, consider its complementary color at hue 243° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 15529757, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #ECF71D
Tailwind CSS
yellow-400
HEX
#ECF71D
RGB
rgb(236, 247, 29)
RGB %
93%, 97%, 11%
HSL
hsl(63, 93%, 54%)
HSV
hsv(63, 88%, 97%)
CMYK
4%, 0%, 88%, 3%
Decimal
15529757
Web Safe
#FFFF33
🎨 Color Schemes for #ECF71D
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #ECF71D
🌗 Shades and Tints of #ECF71D
Shades (adding black)
Tints (adding white)
🎚️ Tones of #ECF71D
Tones (adding gray / desaturating)
🌈 Hue Variations of #ECF71D
Hue Variations (shifting the color spectrum)
👁️ Preview of #ECF71D in Use
Text on #ECF71D
This demonstrates text readability on the color background. (Click to edit)
#ECF71D as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #ECF71D
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 Yellow is a medium, vibrant, warm yellow color with a hue angle of 63°, saturation of 93%, and lightness of 54%. Its RGB value is (236, 247, 29) and its CMYK breakdown is C:4% M:0% Y:88% K:3%.
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 #ECF71D
What is the HEX code for Vivid Yellow? +
The HEX code for Vivid Yellow is #ECF71D. In CSS you can use it directly as color: #ECF71D; or as a background: background-color: #ECF71D;. 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 #ECF71D? +
The RGB value of #ECF71D is rgb(236, 247, 29). This means the color contains 236 out of 255 parts red, 247 out of 255 parts green, and 29 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(236, 247, 29);
What is the HSL value of #ECF71D? +
The HSL value of #ECF71D is hsl(63, 93%, 54%). The hue is 63°, placing it in the yellow family on the color wheel. The saturation is 93%, 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 #ECF71D a warm or cool color? +
#ECF71D is classified as a warm color based on its hue angle of 63°. 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 #ECF71D? +
The approximate CMYK value of #ECF71D is C:4% M:0% Y:88% K:3%. 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.
