#21A687
Cyan
HEX
RGB
HSL
About #21A687 Cyan
#21A687 is a cyan color. In the RGB color model, it is composed of 33 red, 166 green, and 135 blue. In the HSL color space, it has a hue of 166°, saturation of 67%, and lightness of 39%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #21A687 in your CSS, SCSS, or Tailwind projects.
Color Properties
166°
Hue
67%
Saturation
39%
Lightness
Cyan
Color Harmonies
Colors that work well with #21A687 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21A687 against white and black backgrounds.
Aa#21A687 on White
Contrast Ratio3.06:1
AA ✗AA Large ✓AAA ✗
Aa#21A687 on Black
Contrast Ratio6.87:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #21A687 across different color formats.
| Format | Value |
|---|---|
| HEX | #21A687 |
| RGB | rgb(33, 166, 135) |
| HSL | hsl(166, 67%, 39%) |
| RGB Decimal | 33, 166, 135 |
| RGB Percent | 12.9%, 65.1%, 52.9% |
| CMYK (approx.) | 80%, 0%, 19%, 35% |
Related Palettes
12 palettes using #21A687 or similar colors