#21fbdf
a balanced, electric cyan · cool · closest name: turquoise
RGB
33, 251, 223
HSL
172°, 97%, 56%
CMYK
87, 0, 11, 2
Luminance
0.7465
Every format
| HEX | #21fbdf |
| RGB | rgb(33, 251, 223) |
| HSL | hsl(172, 97%, 56%) |
| CMYK | cmyk(87%, 0%, 11%, 2%) |
| LAB | lab(89.2 -54.2 -0.3) |
| LCH | lch(89.2 54.2 180.3) |
| OKLCH | oklch(0.887 0.157 180.6) |
Copy-ready code
/* CSS */
color: #21fbdf;
background-color: #21fbdf;
/* Tailwind (arbitrary) */
class="text-[#21fbdf] bg-[#21fbdf]"
/* SCSS */
$brand: #21fbdf;
/* SwiftUI */
Color(red: 0.129, green: 0.984, blue: 0.875)
/* Android */
Color.parseColor("#21fbdf")Accessibility — WCAG contrast
Aa
#21fbdf on white: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fbdf on black: 15.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green98.4%
Blue87.5%
CMYK percentages
Cyan86.9%
Magenta0.0%
Yellow11.2%
Key (black)1.6%
Color previews
#21fbdf text on a black background
contrast 15.93:1
Card sample
#21fbdf text on a white background
contrast 1.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fbdf;
Background color
Panel with #21fbdf background
background-color: #21fbdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fbdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 251, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 251, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fbdf; background: linear-gradient(135deg, #21fbdf, #2186FB);