#EFFF42
Vivid Yellow Green
HEX
RGB
HSL
About #EFFF42 Vivid Yellow Green
#EFFF42 is a vivid yellow green color. In the RGB color model, it is composed of 239 red, 255 green, and 66 blue. In the HSL color space, it has a hue of 65°, saturation of 100%, and lightness of 63%.
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 #EFFF42 in your CSS, SCSS, or Tailwind projects.
Color Properties
65°
Hue
100%
Saturation
63%
Lightness
Vivid Yellow Green
Color Harmonies
Colors that work well with #EFFF42 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #EFFF42 against white and black backgrounds.
Aa#EFFF42 on White
Contrast Ratio1.1:1
AA ✗AA Large ✗AAA ✗
Aa#EFFF42 on Black
Contrast Ratio19.05:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #EFFF42 across different color formats.
| Format | Value |
|---|---|
| HEX | #EFFF42 |
| RGB | rgb(239, 255, 66) |
| HSL | hsl(65, 100%, 63%) |
| RGB Decimal | 239, 255, 66 |
| RGB Percent | 93.7%, 100.0%, 25.9% |
| CMYK (approx.) | 6%, 0%, 74%, 0% |
Related Palettes
12 palettes using #EFFF42 or similar colors