#21dada
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 218, 218
HSL
180°, 74%, 49%
CMYK
85, 0, 0, 15
Luminance
0.5553
Every format
| HEX | #21dada |
| RGB | rgb(33, 218, 218) |
| HSL | hsl(180, 74%, 49%) |
| CMYK | cmyk(85%, 0%, 0%, 15%) |
| LAB | lab(79.3 -41.5 -12.3) |
| LCH | lch(79.3 43.3 196.5) |
| OKLCH | oklch(0.806 0.133 194.8) |
Copy-ready code
/* CSS */
color: #21dada;
background-color: #21dada;
/* Tailwind (arbitrary) */
class="text-[#21dada] bg-[#21dada]"
/* SCSS */
$brand: #21dada;
/* SwiftUI */
Color(red: 0.129, green: 0.855, blue: 0.855)
/* Android */
Color.parseColor("#21dada")Accessibility — WCAG contrast
Aa
#21dada on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21dada on black: 12.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green85.5%
Blue85.5%
CMYK percentages
Cyan84.9%
Magenta0.0%
Yellow0.0%
Key (black)14.5%
Color previews
#21dada text on a black background
contrast 12.11:1
Card sample
#21dada text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21dada;
Background color
Panel with #21dada background
background-color: #21dada;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21dada;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 218, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 218, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21dada; background: linear-gradient(135deg, #21dada, #215FDA);