#21cdba
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 205, 186
HSL
173°, 72%, 47%
CMYK
84, 0, 9, 20
Luminance
0.4753
Every format
| HEX | #21cdba |
| RGB | rgb(33, 205, 186) |
| HSL | hsl(173, 72%, 47%) |
| CMYK | cmyk(84%, 0%, 9%, 20%) |
| LAB | lab(74.5 -44.9 -2.2) |
| LCH | lch(74.5 44.9 182.8) |
| OKLCH | oklch(0.764 0.131 182.9) |
Copy-ready code
/* CSS */
color: #21cdba;
background-color: #21cdba;
/* Tailwind (arbitrary) */
class="text-[#21cdba] bg-[#21cdba]"
/* SCSS */
$brand: #21cdba;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.729)
/* Android */
Color.parseColor("#21cdba")Accessibility — WCAG contrast
Aa
#21cdba on white: 2.00:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdba on black: 10.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue72.9%
CMYK percentages
Cyan83.9%
Magenta0.0%
Yellow9.3%
Key (black)19.6%
Color previews
#21cdba text on a black background
contrast 10.51:1
Card sample
#21cdba text on a white background
contrast 2.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdba;
Background color
Panel with #21cdba background
background-color: #21cdba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdba; background: linear-gradient(135deg, #21cdba, #216DCD);