#21cdda
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 205, 218
HSL
184°, 74%, 49%
CMYK
85, 6, 0, 15
Luminance
0.4905
Every format
| HEX | #21cdda |
| RGB | rgb(33, 205, 218) |
| HSL | hsl(184, 74%, 49%) |
| CMYK | cmyk(85%, 6%, 0%, 15%) |
| LAB | lab(75.5 -35.5 -18.1) |
| LCH | lch(75.5 39.9 206.9) |
| OKLCH | oklch(0.775 0.127 203.3) |
Copy-ready code
/* CSS */
color: #21cdda;
background-color: #21cdda;
/* Tailwind (arbitrary) */
class="text-[#21cdda] bg-[#21cdda]"
/* SCSS */
$brand: #21cdda;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.855)
/* Android */
Color.parseColor("#21cdda")Accessibility — WCAG contrast
Aa
#21cdda on white: 1.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdda on black: 10.81:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue85.5%
CMYK percentages
Cyan84.9%
Magenta6.0%
Yellow0.0%
Key (black)14.5%
Color previews
#21cdda text on a black background
contrast 10.81:1
Card sample
#21cdda text on a white background
contrast 1.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdda;
Background color
Panel with #21cdda background
background-color: #21cdda;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdda;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdda; background: linear-gradient(135deg, #21cdda, #2152DA);