#21fccc
a balanced, electric cyan · cool · closest name: aquamarine
RGB
33, 252, 204
HSL
167°, 97%, 56%
CMYK
87, 0, 19, 1
Luminance
0.7430
Every format
| HEX | #21fccc |
| RGB | rgb(33, 252, 204) |
| HSL | hsl(167, 97%, 56%) |
| CMYK | cmyk(87%, 0%, 19%, 1%) |
| LAB | lab(89.1 -59.4 9.3) |
| LCH | lch(89.1 60.1 171.1) |
| OKLCH | oklch(0.885 0.168 171.9) |
Copy-ready code
/* CSS */
color: #21fccc;
background-color: #21fccc;
/* Tailwind (arbitrary) */
class="text-[#21fccc] bg-[#21fccc]"
/* SCSS */
$brand: #21fccc;
/* SwiftUI */
Color(red: 0.129, green: 0.988, blue: 0.800)
/* Android */
Color.parseColor("#21fccc")Accessibility — WCAG contrast
Aa
#21fccc on white: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fccc on black: 15.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green98.8%
Blue80.0%
CMYK percentages
Cyan86.9%
Magenta0.0%
Yellow19.0%
Key (black)1.2%
Color previews
#21fccc text on a black background
contrast 15.86:1
Card sample
#21fccc text on a white background
contrast 1.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fccc;
Background color
Panel with #21fccc background
background-color: #21fccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 252, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 252, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fccc; background: linear-gradient(135deg, #21fccc, #219AFC);