#00ffdd
a balanced, electric cyan · cool · closest name: aquamarine
RGB
0, 255, 221
HSL
172°, 100%, 50%
CMYK
100, 0, 13, 0
Luminance
0.7674
Every format
| HEX | #00ffdd |
| RGB | rgb(0, 255, 221) |
| HSL | hsl(172, 100%, 50%) |
| CMYK | cmyk(100%, 0%, 13%, 0%) |
| LAB | lab(90.2 -57.4 2.2) |
| LCH | lch(90.2 57.4 177.8) |
| OKLCH | oklch(0.895 0.164 178.3) |
Copy-ready code
/* CSS */
color: #00ffdd;
background-color: #00ffdd;
/* Tailwind (arbitrary) */
class="text-[#00ffdd] bg-[#00ffdd]"
/* SCSS */
$brand: #00ffdd;
/* SwiftUI */
Color(red: 0.000, green: 1.000, blue: 0.867)
/* Android */
Color.parseColor("#00ffdd")Accessibility — WCAG contrast
Aa
#00ffdd on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#00ffdd on black: 16.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green100.0%
Blue86.7%
CMYK percentages
Cyan100.0%
Magenta0.0%
Yellow13.3%
Key (black)0.0%
Color previews
#00ffdd text on a black background
contrast 16.35:1
Card sample
#00ffdd text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #00ffdd;
Background color
Panel with #00ffdd background
background-color: #00ffdd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #00ffdd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 255, 221, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 255, 221, 0.45);
Border & gradient
Gradient panel
border: 3px solid #00ffdd; background: linear-gradient(135deg, #00ffdd, #0077FF);