#40df9c
a balanced, vivid green · cool · closest name: aquamarine
RGB
64, 223, 156
HSL
155°, 71%, 56%
CMYK
71, 0, 30, 13
Luminance
0.5627
Every format
| HEX | #40df9c |
| RGB | rgb(64, 223, 156) |
| HSL | hsl(155, 71%, 56%) |
| CMYK | cmyk(71%, 0%, 30%, 13%) |
| LAB | lab(79.8 -56.1 21.3) |
| LCH | lch(79.8 60.0 159.2) |
| OKLCH | oklch(0.806 0.162 160.5) |
Copy-ready code
/* CSS */
color: #40df9c;
background-color: #40df9c;
/* Tailwind (arbitrary) */
class="text-[#40df9c] bg-[#40df9c]"
/* SCSS */
$brand: #40df9c;
/* SwiftUI */
Color(red: 0.251, green: 0.875, blue: 0.612)
/* Android */
Color.parseColor("#40df9c")Accessibility — WCAG contrast
Aa
#40df9c on white: 1.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40df9c on black: 12.25:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green87.5%
Blue61.2%
CMYK percentages
Cyan71.3%
Magenta0.0%
Yellow30.0%
Key (black)12.5%
Color previews
#40df9c text on a black background
contrast 12.25:1
Card sample
#40df9c text on a white background
contrast 1.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40df9c;
Background color
Panel with #40df9c background
background-color: #40df9c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40df9c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 223, 156, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 223, 156, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40df9c; background: linear-gradient(135deg, #40df9c, #40B8DF);