#21decf
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 222, 207
HSL
175°, 74%, 50%
CMYK
85, 0, 7, 13
Luminance
0.5707
Every format
| HEX | #21decf |
| RGB | rgb(33, 222, 207) |
| HSL | hsl(175, 74%, 50%) |
| CMYK | cmyk(85%, 0%, 7%, 13%) |
| LAB | lab(80.2 -46.4 -5.1) |
| LCH | lch(80.2 46.6 186.3) |
| OKLCH | oklch(0.813 0.138 186.0) |
Copy-ready code
/* CSS */
color: #21decf;
background-color: #21decf;
/* Tailwind (arbitrary) */
class="text-[#21decf] bg-[#21decf]"
/* SCSS */
$brand: #21decf;
/* SwiftUI */
Color(red: 0.129, green: 0.871, blue: 0.812)
/* Android */
Color.parseColor("#21decf")Accessibility — WCAG contrast
Aa
#21decf on white: 1.69:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21decf on black: 12.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green87.1%
Blue81.2%
CMYK percentages
Cyan85.1%
Magenta0.0%
Yellow6.8%
Key (black)12.9%
Color previews
#21decf text on a black background
contrast 12.41:1
Card sample
#21decf text on a white background
contrast 1.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21decf;
Background color
Panel with #21decf background
background-color: #21decf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21decf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 222, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 222, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21decf; background: linear-gradient(135deg, #21decf, #216FDE);