#21d2cc
a balanced, vivid cyan · cool · closest name: turquoise
RGB
33, 210, 204
HSL
178°, 73%, 48%
CMYK
84, 0, 3, 18
Luminance
0.5078
Every format
| HEX | #21d2cc |
| RGB | rgb(33, 210, 204) |
| HSL | hsl(178, 73%, 48%) |
| CMYK | cmyk(84%, 0%, 3%, 18%) |
| LAB | lab(76.5 -42.0 -8.9) |
| LCH | lch(76.5 42.9 192.0) |
| OKLCH | oklch(0.782 0.130 191.1) |
Copy-ready code
/* CSS */
color: #21d2cc;
background-color: #21d2cc;
/* Tailwind (arbitrary) */
class="text-[#21d2cc] bg-[#21d2cc]"
/* SCSS */
$brand: #21d2cc;
/* SwiftUI */
Color(red: 0.129, green: 0.824, blue: 0.800)
/* Android */
Color.parseColor("#21d2cc")Accessibility — WCAG contrast
Aa
#21d2cc on white: 1.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21d2cc on black: 11.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green82.4%
Blue80.0%
CMYK percentages
Cyan84.3%
Magenta0.0%
Yellow2.9%
Key (black)17.6%
Color previews
#21d2cc text on a black background
contrast 11.16:1
Card sample
#21d2cc text on a white background
contrast 1.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21d2cc;
Background color
Panel with #21d2cc background
background-color: #21d2cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21d2cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 210, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 210, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21d2cc; background: linear-gradient(135deg, #21d2cc, #2162D2);