#4df3cb
a balanced, electric cyan · cool · closest name: aquamarine
RGB
77, 243, 203
HSL
166°, 87%, 63%
CMYK
68, 0, 17, 5
Luminance
0.6999
Every format
| HEX | #4df3cb |
| RGB | rgb(77, 243, 203) |
| HSL | hsl(166, 87%, 63%) |
| CMYK | cmyk(68%, 0%, 17%, 5%) |
| LAB | lab(87.0 -51.7 7.0) |
| LCH | lch(87.0 52.1 172.3) |
| OKLCH | oklch(0.869 0.147 173.1) |
Copy-ready code
/* CSS */
color: #4df3cb;
background-color: #4df3cb;
/* Tailwind (arbitrary) */
class="text-[#4df3cb] bg-[#4df3cb]"
/* SCSS */
$brand: #4df3cb;
/* SwiftUI */
Color(red: 0.302, green: 0.953, blue: 0.796)
/* Android */
Color.parseColor("#4df3cb")Accessibility — WCAG contrast
Aa
#4df3cb on white: 1.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4df3cb on black: 15.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.2%
Green95.3%
Blue79.6%
CMYK percentages
Cyan68.3%
Magenta0.0%
Yellow16.5%
Key (black)4.7%
Color previews
#4df3cb text on a black background
contrast 15.00:1
Card sample
#4df3cb text on a white background
contrast 1.40:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4df3cb;
Background color
Panel with #4df3cb background
background-color: #4df3cb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4df3cb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(77, 243, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(77, 243, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4df3cb; background: linear-gradient(135deg, #4df3cb, #4DACF3);