#39ffdf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
57, 255, 223
HSL
170°, 100%, 61%
CMYK
78, 0, 13, 0
Luminance
0.7772
Every format
| HEX | #39ffdf |
| RGB | rgb(57, 255, 223) |
| HSL | hsl(170, 100%, 61%) |
| CMYK | cmyk(78%, 0%, 13%, 0%) |
| LAB | lab(90.7 -54.0 1.8) |
| LCH | lch(90.7 54.1 178.1) |
| OKLCH | oklch(0.900 0.155 178.5) |
Copy-ready code
/* CSS */
color: #39ffdf;
background-color: #39ffdf;
/* Tailwind (arbitrary) */
class="text-[#39ffdf] bg-[#39ffdf]"
/* SCSS */
$brand: #39ffdf;
/* SwiftUI */
Color(red: 0.224, green: 1.000, blue: 0.875)
/* Android */
Color.parseColor("#39ffdf")Accessibility — WCAG contrast
Aa
#39ffdf on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ffdf on black: 16.54:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green100.0%
Blue87.5%
CMYK percentages
Cyan77.6%
Magenta0.0%
Yellow12.5%
Key (black)0.0%
Color previews
#39ffdf text on a black background
contrast 16.54:1
Card sample
#39ffdf text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ffdf;
Background color
Panel with #39ffdf background
background-color: #39ffdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ffdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 255, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 255, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ffdf; background: linear-gradient(135deg, #39ffdf, #399BFF);