#40ff3b
a balanced, electric green · cool · closest name: lime
RGB
64, 255, 59
HSL
119°, 100%, 62%
CMYK
75, 0, 77, 0
Luminance
0.7293
Every format
| HEX | #40ff3b |
| RGB | rgb(64, 255, 59) |
| HSL | hsl(119, 100%, 62%) |
| CMYK | cmyk(75%, 0%, 77%, 0%) |
| LAB | lab(88.4 -79.6 74.1) |
| LCH | lch(88.4 108.7 137.0) |
| OKLCH | oklch(0.874 0.272 142.5) |
Copy-ready code
/* CSS */
color: #40ff3b;
background-color: #40ff3b;
/* Tailwind (arbitrary) */
class="text-[#40ff3b] bg-[#40ff3b]"
/* SCSS */
$brand: #40ff3b;
/* SwiftUI */
Color(red: 0.251, green: 1.000, blue: 0.231)
/* Android */
Color.parseColor("#40ff3b")Accessibility — WCAG contrast
Aa
#40ff3b on white: 1.35:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40ff3b on black: 15.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green100.0%
Blue23.1%
CMYK percentages
Cyan74.9%
Magenta0.0%
Yellow76.9%
Key (black)0.0%
Color previews
#40ff3b text on a black background
contrast 15.59:1
Card sample
#40ff3b text on a white background
contrast 1.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40ff3b;
Background color
Panel with #40ff3b background
background-color: #40ff3b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40ff3b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 255, 59, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 255, 59, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40ff3b; background: linear-gradient(135deg, #40ff3b, #3BFFB9);