#40fdda
a balanced, electric cyan · cool · closest name: aquamarine
RGB
64, 253, 218
HSL
169°, 98%, 62%
CMYK
75, 0, 14, 1
Luminance
0.7640
Every format
| HEX | #40fdda |
| RGB | rgb(64, 253, 218) |
| HSL | hsl(169, 98%, 62%) |
| CMYK | cmyk(75%, 0%, 14%, 1%) |
| LAB | lab(90.0 -53.8 3.5) |
| LCH | lch(90.0 53.9 176.2) |
| OKLCH | oklch(0.895 0.154 176.8) |
Copy-ready code
/* CSS */
color: #40fdda;
background-color: #40fdda;
/* Tailwind (arbitrary) */
class="text-[#40fdda] bg-[#40fdda]"
/* SCSS */
$brand: #40fdda;
/* SwiftUI */
Color(red: 0.251, green: 0.992, blue: 0.855)
/* Android */
Color.parseColor("#40fdda")Accessibility — WCAG contrast
Aa
#40fdda on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#40fdda on black: 16.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.1%
Green99.2%
Blue85.5%
CMYK percentages
Cyan74.7%
Magenta0.0%
Yellow13.8%
Key (black)0.8%
Color previews
#40fdda text on a black background
contrast 16.28:1
Card sample
#40fdda text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #40fdda;
Background color
Panel with #40fdda background
background-color: #40fdda;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #40fdda;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(64, 253, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 253, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40fdda; background: linear-gradient(135deg, #40fdda, #40A2FD);