#40af8f
a balanced, vivid cyan · cool · closest name: seagreen
RGB
64, 175, 143
HSL
163°, 46%, 47%
CMYK
63, 0, 18, 31
Luminance
0.3373
Every format
| HEX | #40af8f |
| RGB | rgb(64, 175, 143) |
| HSL | hsl(163, 46%, 47%) |
| CMYK | cmyk(63%, 0%, 18%, 31%) |
| LAB | lab(64.8 -39.2 7.2) |
| LCH | lch(64.8 39.9 169.6) |
| OKLCH | oklch(0.682 0.112 170.5) |
Copy-ready code
/* CSS */
color: #40af8f;
background-color: #40af8f;
/* Tailwind (arbitrary) */
class="text-[#40af8f] bg-[#40af8f]"
/* SCSS */
$brand: #40af8f;
/* SwiftUI */
Color(red: 0.251, green: 0.686, blue: 0.561)
/* Android */
Color.parseColor("#40af8f")Accessibility — WCAG contrast
Aa
#40af8f on white: 2.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40af8f on black: 7.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green68.6%
Blue56.1%
CMYK percentages
Cyan63.4%
Magenta0.0%
Yellow18.3%
Key (black)31.4%
Color previews
#40af8f text on a black background
contrast 7.75:1
Card sample
#40af8f text on a white background
contrast 2.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40af8f;
Background color
Panel with #40af8f background
background-color: #40af8f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40af8f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 175, 143, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 175, 143, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40af8f; background: linear-gradient(135deg, #40af8f, #4085AF);