#4ef1cc
a balanced, electric cyan · cool · closest name: aquamarine
RGB
78, 241, 204
HSL
166°, 85%, 63%
CMYK
68, 0, 15, 6
Luminance
0.6889
Every format
| HEX | #4ef1cc |
| RGB | rgb(78, 241, 204) |
| HSL | hsl(166, 85%, 63%) |
| CMYK | cmyk(68%, 0%, 15%, 6%) |
| LAB | lab(86.5 -50.5 5.7) |
| LCH | lch(86.5 50.8 173.6) |
| OKLCH | oklch(0.865 0.144 174.3) |
Copy-ready code
/* CSS */
color: #4ef1cc;
background-color: #4ef1cc;
/* Tailwind (arbitrary) */
class="text-[#4ef1cc] bg-[#4ef1cc]"
/* SCSS */
$brand: #4ef1cc;
/* SwiftUI */
Color(red: 0.306, green: 0.945, blue: 0.800)
/* Android */
Color.parseColor("#4ef1cc")Accessibility — WCAG contrast
Aa
#4ef1cc on white: 1.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#4ef1cc on black: 14.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red30.6%
Green94.5%
Blue80.0%
CMYK percentages
Cyan67.6%
Magenta0.0%
Yellow15.4%
Key (black)5.5%
Color previews
#4ef1cc text on a black background
contrast 14.78:1
Card sample
#4ef1cc text on a white background
contrast 1.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4ef1cc;
Background color
Panel with #4ef1cc background
background-color: #4ef1cc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4ef1cc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(78, 241, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(78, 241, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4ef1cc; background: linear-gradient(135deg, #4ef1cc, #4EA9F1);