#39ffda
a balanced, electric cyan · cool · closest name: aquamarine
RGB
57, 255, 218
HSL
169°, 100%, 61%
CMYK
78, 0, 15, 0
Luminance
0.7745
Every format
| HEX | #39ffda |
| RGB | rgb(57, 255, 218) |
| HSL | hsl(169, 100%, 61%) |
| CMYK | cmyk(78%, 0%, 15%, 0%) |
| LAB | lab(90.5 -55.3 4.2) |
| LCH | lch(90.5 55.4 175.6) |
| OKLCH | oklch(0.898 0.158 176.2) |
Copy-ready code
/* CSS */
color: #39ffda;
background-color: #39ffda;
/* Tailwind (arbitrary) */
class="text-[#39ffda] bg-[#39ffda]"
/* SCSS */
$brand: #39ffda;
/* SwiftUI */
Color(red: 0.224, green: 1.000, blue: 0.855)
/* Android */
Color.parseColor("#39ffda")Accessibility — WCAG contrast
Aa
#39ffda on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39ffda on black: 16.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green100.0%
Blue85.5%
CMYK percentages
Cyan77.6%
Magenta0.0%
Yellow14.5%
Key (black)0.0%
Color previews
#39ffda text on a black background
contrast 16.49:1
Card sample
#39ffda text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39ffda;
Background color
Panel with #39ffda background
background-color: #39ffda;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39ffda;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 255, 218, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 255, 218, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39ffda; background: linear-gradient(135deg, #39ffda, #39A0FF);