#21cdc3
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 205, 195
HSL
177°, 72%, 47%
CMYK
84, 0, 5, 20
Luminance
0.4793
Every format
| HEX | #21cdc3 |
| RGB | rgb(33, 205, 195) |
| HSL | hsl(177, 72%, 47%) |
| CMYK | cmyk(84%, 0%, 5%, 20%) |
| LAB | lab(74.8 -42.3 -6.7) |
| LCH | lch(74.8 42.9 189.0) |
| OKLCH | oklch(0.767 0.128 188.4) |
Copy-ready code
/* CSS */
color: #21cdc3;
background-color: #21cdc3;
/* Tailwind (arbitrary) */
class="text-[#21cdc3] bg-[#21cdc3]"
/* SCSS */
$brand: #21cdc3;
/* SwiftUI */
Color(red: 0.129, green: 0.804, blue: 0.765)
/* Android */
Color.parseColor("#21cdc3")Accessibility — WCAG contrast
Aa
#21cdc3 on white: 1.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21cdc3 on black: 10.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green80.4%
Blue76.5%
CMYK percentages
Cyan83.9%
Magenta0.0%
Yellow4.9%
Key (black)19.6%
Color previews
#21cdc3 text on a black background
contrast 10.59:1
Card sample
#21cdc3 text on a white background
contrast 1.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21cdc3;
Background color
Panel with #21cdc3 background
background-color: #21cdc3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21cdc3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 205, 195, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 205, 195, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21cdc3; background: linear-gradient(135deg, #21cdc3, #2164CD);