#FFFF66
Vivid Yellow
HEX
RGB
HSL
About #FFFF66 Vivid Yellow
#FFFF66 is a vivid yellow color. In the RGB color model, it is composed of 255 red, 255 green, and 102 blue. In the HSL color space, it has a hue of 60°, saturation of 100%, and lightness of 70%.
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 #FFFF66 in your CSS, SCSS, or Tailwind projects.
Color Properties
60°
Hue
100%
Saturation
70%
Lightness
Vivid Yellow
Color Harmonies
Colors that work well with #FFFF66 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #FFFF66 against white and black backgrounds.
Aa#FFFF66 on White
Contrast Ratio1.06:1
AA ✗AA Large ✗AAA ✗
Aa#FFFF66 on Black
Contrast Ratio19.75:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #FFFF66 across different color formats.
| Format | Value |
|---|---|
| HEX | #FFFF66 |
| RGB | rgb(255, 255, 102) |
| HSL | hsl(60, 100%, 70%) |
| RGB Decimal | 255, 255, 102 |
| RGB Percent | 100.0%, 100.0%, 40.0% |
| CMYK (approx.) | 0%, 0%, 60%, 0% |
Related Palettes
12 palettes using #FFFF66 or similar colors