#EFEF34 Color Information

Hex color code: #EFEF34

The hex color #EFEF34 is a vivid yellow with RGB values of (239, 239, 52) and HSL of (60°, 85%, 57%). It is commonly used in modern UI design.

Try:
Color NameYellow
HEX
#EFEF34
RGB
239, 239, 52
HSL
60°, 85%, 57%
CMYK
0%, 0%, 78%, 6%

Shades

CSS Usage
color: #EFEF34;
background-color: #EFEF34;
border-color: #EFEF34;
box-shadow: 0 0 10px #EFEF34;
border: 2px solid #EFEF34;
Tailwind Usage
bg-[#EFEF34]
text-[#EFEF34]
border-[#EFEF34]
shadow-[0_0_10px_EFEF34]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #EFEF34, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #EFEF34; color: #000000; }

Badge

New Feature
.badge { background-color: #EFEF34; color: #000000; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #EFEF34; background-color: #EFEF3415; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #EFEF3420; border-left: 4px solid #EFEF34; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #EFEF34; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #EFEF34 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

239, 239, 52

Red: 239 / Green: 239 / Blue: 52

HSL

60°, 85%, 57%

Hue: 60° / Saturation: 85% / Lightness: 57%

CMYK

0%, 0%, 78%, 6%

Cyan: 0% / Magenta: 0% / Yellow: 78% / Key: 6%

What color is #EFEF34?

#EFEF34 is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #EFEF34 to RGB:

rgb(239, 239, 52)HEX to RGB Converter →

HEX to HSL

Convert #EFEF34 to HSL:

hsl(60, 85%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #EFEF34 to CMYK:

cmyk(0%, 0%, 78%, 6%)Color Converter →

Color Meaning and Usage

A bold yellow tone, #EFEF34 has RGB (239, 239, 52) and HSL (60°, 85%, 57%). Known for evoking energy and excitement, this highly saturated hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #EFEF34 is #3434EF, creating high-contrast pairings. For softer combinations, try analogous colors like #EF9134.

Use #EFEF34 in CSS: color: #EFEF34 or background-color: #EFEF34. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #EFEF34

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 17.07:1
WCAG AA: Pass
WCAG AAA: Pass

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #EFEF34?

#EFEF34 is a bold yellow color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #EFEF34?

#EFEF34 in RGB is (239, 239, 52) - 239 red, 239 green, and 52 blue.

How to use #EFEF34 in CSS?

Use #EFEF34 directly in your CSS properties like color or background-color.

What colors go well with #EFEF34?

#3434EF (complementary), #EF9134 (analogous), and #C6C610 (lighter shade) work well with #EFEF34.