#40df5b
a balanced, vivid green · cool · closest name: forestgreen
RGB
64, 223, 91
HSL
130°, 71%, 56%
CMYK
71, 0, 59, 13
Luminance
0.5462
Every format
| HEX | #40df5b |
| RGB | rgb(64, 223, 91) |
| HSL | hsl(130, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 59%, 13%) |
| LAB | lab(78.8 -66.8 52.0) |
| LCH | lch(78.8 84.7 142.1) |
| OKLCH | oklch(0.795 0.218 145.8) |
Copy-ready code
/* CSS */
color: #40df5b;
background-color: #40df5b;
/* Tailwind (arbitrary) */
class="text-[#40df5b] bg-[#40df5b]"
/* SCSS */
$brand: #40df5b;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.357)
/* Android */
Color.parseColor("#40df5b")Accessibility — WCAG contrast
Aa
#40df5b on white: 1.76:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df5b on black: 11.92:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue35.7%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow59.2%
Key (black)12.5%
Color previews
#40df5b text on a black background
contrast 11.92:1
Card sample
#40df5b text on a white background
contrast 1.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df5b;
Background color
Panel with #40df5b background
background-color: #40df5b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df5b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 91, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 91, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df5b; background: linear-gradient(135deg, #40df5b, #40DFC5);