#EFEF0B
Vivid Yellow
HEX
RGB
HSL
About #EFEF0B Vivid Yellow
#EFEF0B is a vivid yellow color. In the RGB color model, it is composed of 239 red, 239 green, and 11 blue. In the HSL color space, it has a hue of 60°, saturation of 91%, and lightness of 49%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #EFEF0B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
60°
Hue
91%
Saturation
49%
Lightness
Vivid Yellow
Color Harmonies
Colors that work well with #EFEF0B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #EFEF0B against white and black backgrounds.
Aa#EFEF0B on White
Contrast Ratio1.23:1
AA ✗AA Large ✗AAA ✗
Aa#EFEF0B on Black
Contrast Ratio17.02:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #EFEF0B across different color formats.
| Format | Value |
|---|---|
| HEX | #EFEF0B |
| RGB | rgb(239, 239, 11) |
| HSL | hsl(60, 91%, 49%) |
| RGB Decimal | 239, 239, 11 |
| RGB Percent | 93.7%, 93.7%, 4.3% |
| CMYK (approx.) | 0%, 0%, 95%, 6% |
Related Palettes
12 palettes using #EFEF0B or similar colors