#40ffb9
a balanced, electric green · cool · closest name: aquamarine
RGB
64, 255, 185
HSL
158°, 100%, 63%
CMYK
75, 0, 28, 0
Luminance
0.7611
Every format
| HEX | #40ffb9 |
| RGB | rgb(64, 255, 185) |
| HSL | hsl(158, 100%, 63%) |
| CMYK | cmyk(75%, 0%, 28%, 0%) |
| LAB | lab(89.9 -62.2 20.4) |
| LCH | lch(89.9 65.4 161.9) |
| OKLCH | oklch(0.891 0.178 163.0) |
Copy-ready code
/* CSS */
color: #40ffb9;
background-color: #40ffb9;
/* Tailwind (arbitrary) */
class="text-[#40ffb9] bg-[#40ffb9]"
/* SCSS */
$brand: #40ffb9;
/* SwiftUI */
Color(red: 0.251, green: 1.000, blue: 0.725)
/* Android */
Color.parseColor("#40ffb9")Accessibility — WCAG contrast
Aa
#40ffb9 on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ffb9 on black: 16.22:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green100.0%
Blue72.5%
CMYK percentages
Cyan74.9%
Magenta0.0%
Yellow27.5%
Key (black)0.0%
Color previews
#40ffb9 text on a black background
contrast 16.22:1
Card sample
#40ffb9 text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ffb9;
Background color
Panel with #40ffb9 background
background-color: #40ffb9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ffb9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 255, 185, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 255, 185, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ffb9; background: linear-gradient(135deg, #40ffb9, #40C6FF);