#EFEF39
Vivid Yellow
HEX
RGB
HSL
About #EFEF39 Vivid Yellow
#EFEF39 is a vivid yellow color. In the RGB color model, it is composed of 239 red, 239 green, and 57 blue. In the HSL color space, it has a hue of 60°, saturation of 85%, and lightness of 58%.
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
Use #EFEF39 in your CSS, SCSS, or Tailwind projects.
Color Properties
60°
Hue
85%
Saturation
58%
Lightness
Vivid Yellow
Color Harmonies
Colors that work well with #EFEF39 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #EFEF39 against white and black backgrounds.
Aa#EFEF39 on White
Contrast Ratio1.23:1
AA ✗AA Large ✗AAA ✗
Aa#EFEF39 on Black
Contrast Ratio17.08:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #EFEF39 across different color formats.
| Format | Value |
|---|---|
| HEX | #EFEF39 |
| RGB | rgb(239, 239, 57) |
| HSL | hsl(60, 85%, 58%) |
| RGB Decimal | 239, 239, 57 |
| RGB Percent | 93.7%, 93.7%, 22.4% |
| CMYK (approx.) | 0%, 0%, 76%, 6% |
Related Palettes
12 palettes using #EFEF39 or similar colors