#40df8d
a balanced, vivid green · cool · closest name: aquamarine
RGB
64, 223, 141
HSL
149°, 71%, 56%
CMYK
71, 0, 37, 13
Luminance
0.5579
Every format
| HEX | #40df8d |
| RGB | rgb(64, 223, 141) |
| HSL | hsl(149, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 37%, 13%) |
| LAB | lab(79.5 -59.1 28.7) |
| LCH | lch(79.5 65.7 154.1) |
| OKLCH | oklch(0.803 0.175 155.8) |
Copy-ready code
/* CSS */
color: #40df8d;
background-color: #40df8d;
/* Tailwind (arbitrary) */
class="text-[#40df8d] bg-[#40df8d]"
/* SCSS */
$brand: #40df8d;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.553)
/* Android */
Color.parseColor("#40df8d")Accessibility — WCAG contrast
Aa
#40df8d on white: 1.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df8d on black: 12.16:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue55.3%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow36.8%
Key (black)12.5%
Color previews
#40df8d text on a black background
contrast 12.16:1
Card sample
#40df8d text on a white background
contrast 1.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df8d;
Background color
Panel with #40df8d background
background-color: #40df8d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df8d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 141, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 141, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df8d; background: linear-gradient(135deg, #40df8d, #40C7DF);