#66C309
Vivid Green
HEX
RGB
HSL
About #66C309 Vivid Green
#66C309 is a vivid green color. In the RGB color model, it is composed of 102 red, 195 green, and 9 blue. In the HSL color space, it has a hue of 90°, saturation of 91%, and lightness of 40%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #66C309 in your CSS, SCSS, or Tailwind projects.
Color Properties
90°
Hue
91%
Saturation
40%
Lightness
Vivid Green
Color Harmonies
Colors that work well with #66C309 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #66C309 against white and black backgrounds.
Aa#66C309 on White
Contrast Ratio2.24:1
AA ✗AA Large ✗AAA ✗
Aa#66C309 on Black
Contrast Ratio9.37:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #66C309 across different color formats.
| Format | Value |
|---|---|
| HEX | #66C309 |
| RGB | rgb(102, 195, 9) |
| HSL | hsl(90, 91%, 40%) |
| RGB Decimal | 102, 195, 9 |
| RGB Percent | 40.0%, 76.5%, 3.5% |
| CMYK (approx.) | 48%, 0%, 95%, 24% |
Related Palettes
12 palettes using #66C309 or similar colors