#21e2db
a balanced, electric cyan · cool · closest name: turquoise
RGB
33, 226, 219
HSL
178°, 77%, 51%
CMYK
85, 0, 3, 11
Luminance
0.5983
Every format
| HEX | #21e2db |
| RGB | rgb(33, 226, 219) |
| HSL | hsl(178, 77%, 51%) |
| CMYK | cmyk(85%, 0%, 3%, 11%) |
| LAB | lab(81.7 -44.7 -9.2) |
| LCH | lch(81.7 45.7 191.6) |
| OKLCH | oklch(0.826 0.138 190.7) |
Copy-ready code
/* CSS */
color: #21e2db;
background-color: #21e2db;
/* Tailwind (arbitrary) */
class="text-[#21e2db] bg-[#21e2db]"
/* SCSS */
$brand: #21e2db;
/* SwiftUI */
Color(red: 0.129, green: 0.886, blue: 0.859)
/* Android */
Color.parseColor("#21e2db")Accessibility — WCAG contrast
Aa
#21e2db on white: 1.62:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21e2db on black: 12.97:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green88.6%
Blue85.9%
CMYK percentages
Cyan85.4%
Magenta0.0%
Yellow3.1%
Key (black)11.4%
Color previews
#21e2db text on a black background
contrast 12.97:1
Card sample
#21e2db text on a white background
contrast 1.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21e2db;
Background color
Panel with #21e2db background
background-color: #21e2db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21e2db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 226, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 226, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21e2db; background: linear-gradient(135deg, #21e2db, #2168E2);