#21fdcd
a balanced, electric cyan · cool · closest name: aquamarine
RGB
33, 253, 205
HSL
167°, 98%, 56%
CMYK
87, 0, 19, 1
Luminance
0.7498
Every format
| HEX | #21fdcd |
| RGB | rgb(33, 253, 205) |
| HSL | hsl(167, 98%, 56%) |
| CMYK | cmyk(87%, 0%, 19%, 1%) |
| LAB | lab(89.4 -59.5 9.3) |
| LCH | lch(89.4 60.2 171.1) |
| OKLCH | oklch(0.887 0.168 171.9) |
Copy-ready code
/* CSS */
color: #21fdcd;
background-color: #21fdcd;
/* Tailwind (arbitrary) */
class="text-[#21fdcd] bg-[#21fdcd]"
/* SCSS */
$brand: #21fdcd;
/* SwiftUI */
Color(red: 0.129, green: 0.992, blue: 0.804)
/* Android */
Color.parseColor("#21fdcd")Accessibility — WCAG contrast
Aa
#21fdcd on white: 1.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#21fdcd on black: 16.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green99.2%
Blue80.4%
CMYK percentages
Cyan87.0%
Magenta0.0%
Yellow19.0%
Key (black)0.8%
Color previews
#21fdcd text on a black background
contrast 16.00:1
Card sample
#21fdcd text on a white background
contrast 1.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #21fdcd;
Background color
Panel with #21fdcd background
background-color: #21fdcd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #21fdcd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 253, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 253, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21fdcd; background: linear-gradient(135deg, #21fdcd, #219AFD);