#40df63
a balanced, vivid green · cool · closest name: forestgreen
RGB
64, 223, 99
HSL
133°, 71%, 56%
CMYK
71, 0, 56, 13
Luminance
0.5477
Every format
| HEX | #40df63 |
| RGB | rgb(64, 223, 99) |
| HSL | hsl(133, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 56%, 13%) |
| LAB | lab(78.9 -65.8 48.5) |
| LCH | lch(78.9 81.8 143.6) |
| OKLCH | oklch(0.796 0.212 146.9) |
Copy-ready code
/* CSS */
color: #40df63;
background-color: #40df63;
/* Tailwind (arbitrary) */
class="text-[#40df63] bg-[#40df63]"
/* SCSS */
$brand: #40df63;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.388)
/* Android */
Color.parseColor("#40df63")Accessibility — WCAG contrast
Aa
#40df63 on white: 1.76:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df63 on black: 11.95:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue38.8%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow55.6%
Key (black)12.5%
Color previews
#40df63 text on a black background
contrast 11.95:1
Card sample
#40df63 text on a white background
contrast 1.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df63;
Background color
Panel with #40df63 background
background-color: #40df63;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df63;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 99, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 99, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df63; background: linear-gradient(135deg, #40df63, #40DFCD);