#40db21
a balanced, vivid green · cool · closest name: lime
RGB
64, 219, 33
HSL
110°, 74%, 49%
CMYK
71, 0, 85, 14
Luminance
0.5186
Every format
| HEX | #40db21 |
| RGB | rgb(64, 219, 33) |
| HSL | hsl(110, 74%, 49%) |
| CMYK | cmyk(71%, 0%, 85%, 14%) |
| LAB | lab(77.2 -70.1 70.5) |
| LCH | lch(77.2 99.4 134.9) |
| OKLCH | oklch(0.780 0.246 141.1) |
Copy-ready code
/* CSS */
color: #40db21;
background-color: #40db21;
/* Tailwind (arbitrary) */
class="text-[#40db21] bg-[#40db21]"
/* SCSS */
$brand: #40db21;
/* SwiftUI */
Color(red: 0.251, green: 0.859, blue: 0.129)
/* Android */
Color.parseColor("#40db21")Accessibility — WCAG contrast
Aa
#40db21 on white: 1.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40db21 on black: 11.37:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green85.9%
Blue12.9%
CMYK percentages
Cyan70.8%
Magenta0.0%
Yellow84.9%
Key (black)14.1%
Color previews
#40db21 text on a black background
contrast 11.37:1
Card sample
#40db21 text on a white background
contrast 1.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40db21;
Background color
Panel with #40db21 background
background-color: #40db21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40db21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 219, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 219, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40db21; background: linear-gradient(135deg, #40db21, #21DB7E);