#40ffec
a balanced, electric cyan · cool · closest name: cyan
RGB
64, 255, 236
HSL
174°, 100%, 63%
CMYK
75, 0, 8, 0
Luminance
0.7867
Every format
| HEX | #40ffec |
| RGB | rgb(64, 255, 236) |
| HSL | hsl(174, 100%, 63%) |
| CMYK | cmyk(75%, 0%, 8%, 0%) |
| LAB | lab(91.1 -50.0 -4.3) |
| LCH | lch(91.1 50.2 184.9) |
| OKLCH | oklch(0.905 0.148 184.8) |
Copy-ready code
/* CSS */
color: #40ffec;
background-color: #40ffec;
/* Tailwind (arbitrary) */
class="text-[#40ffec] bg-[#40ffec]"
/* SCSS */
$brand: #40ffec;
/* SwiftUI */
Color(red: 0.251, green: 1.000, blue: 0.925)
/* Android */
Color.parseColor("#40ffec")Accessibility — WCAG contrast
Aa
#40ffec on white: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ffec on black: 16.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green100.0%
Blue92.5%
CMYK percentages
Cyan74.9%
Magenta0.0%
Yellow7.5%
Key (black)0.0%
Color previews
#40ffec text on a black background
contrast 16.73:1
Card sample
#40ffec text on a white background
contrast 1.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ffec;
Background color
Panel with #40ffec background
background-color: #40ffec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ffec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 255, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 255, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ffec; background: linear-gradient(135deg, #40ffec, #4093FF);