#40d821
a balanced, vivid green · cool · closest name: lime
RGB
64, 216, 33
HSL
110°, 74%, 49%
CMYK
70, 0, 85, 15
Luminance
0.5031
Every format
| HEX | #40d821 |
| RGB | rgb(64, 216, 33) |
| HSL | hsl(110, 74%, 49%) |
| CMYK | cmyk(70%, 0%, 85%, 15%) |
| LAB | lab(76.3 -69.2 69.7) |
| LCH | lch(76.3 98.2 134.8) |
| OKLCH | oklch(0.773 0.243 141.0) |
Copy-ready code
/* CSS */
color: #40d821;
background-color: #40d821;
/* Tailwind (arbitrary) */
class="text-[#40d821] bg-[#40d821]"
/* SCSS */
$brand: #40d821;
/* SwiftUI */
Color(red: 0.251, green: 0.847, blue: 0.129)
/* Android */
Color.parseColor("#40d821")Accessibility — WCAG contrast
Aa
#40d821 on white: 1.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40d821 on black: 11.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green84.7%
Blue12.9%
CMYK percentages
Cyan70.4%
Magenta0.0%
Yellow84.7%
Key (black)15.3%
Color previews
#40d821 text on a black background
contrast 11.06:1
Card sample
#40d821 text on a white background
contrast 1.90:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40d821;
Background color
Panel with #40d821 background
background-color: #40d821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40d821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 216, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 216, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40d821; background: linear-gradient(135deg, #40d821, #21D87C);