#40ff97
a balanced, electric green · cool · closest name: aquamarine
RGB
64, 255, 151
HSL
147°, 100%, 63%
CMYK
75, 0, 41, 0
Luminance
0.7484
Every format
| HEX | #40ff97 |
| RGB | rgb(64, 255, 151) |
| HSL | hsl(147, 100%, 63%) |
| CMYK | cmyk(75%, 0%, 41%, 0%) |
| LAB | lab(89.3 -68.8 36.7) |
| LCH | lch(89.3 77.9 151.9) |
| OKLCH | oklch(0.884 0.206 153.8) |
Copy-ready code
/* CSS */
color: #40ff97;
background-color: #40ff97;
/* Tailwind (arbitrary) */
class="text-[#40ff97] bg-[#40ff97]"
/* SCSS */
$brand: #40ff97;
/* SwiftUI */
Color(red: 0.251, green: 1.000, blue: 0.592)
/* Android */
Color.parseColor("#40ff97")Accessibility — WCAG contrast
Aa
#40ff97 on white: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ff97 on black: 15.97:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green100.0%
Blue59.2%
CMYK percentages
Cyan74.9%
Magenta0.0%
Yellow40.8%
Key (black)0.0%
Color previews
#40ff97 text on a black background
contrast 15.97:1
Card sample
#40ff97 text on a white background
contrast 1.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ff97;
Background color
Panel with #40ff97 background
background-color: #40ff97;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ff97;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 255, 151, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 255, 151, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ff97; background: linear-gradient(135deg, #40ff97, #40E8FF);