#39fddf
a balanced, electric cyan · cool · closest name: aquamarine
RGB
57, 253, 223
HSL
171°, 98%, 61%
CMYK
78, 0, 12, 1
Luminance
0.7645
Every format
| HEX | #39fddf |
| RGB | rgb(57, 253, 223) |
| HSL | hsl(171, 98%, 61%) |
| CMYK | cmyk(78%, 0%, 12%, 1%) |
| LAB | lab(90.1 -53.2 1.0) |
| LCH | lch(90.1 53.2 179.0) |
| OKLCH | oklch(0.895 0.153 179.4) |
Copy-ready code
/* CSS */
color: #39fddf;
background-color: #39fddf;
/* Tailwind (arbitrary) */
class="text-[#39fddf] bg-[#39fddf]"
/* SCSS */
$brand: #39fddf;
/* SwiftUI */
Color(red: 0.224, green: 0.992, blue: 0.875)
/* Android */
Color.parseColor("#39fddf")Accessibility — WCAG contrast
Aa
#39fddf on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39fddf on black: 16.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green99.2%
Blue87.5%
CMYK percentages
Cyan77.5%
Magenta0.0%
Yellow11.9%
Key (black)0.8%
Color previews
#39fddf text on a black background
contrast 16.29:1
Card sample
#39fddf text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39fddf;
Background color
Panel with #39fddf background
background-color: #39fddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39fddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 253, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 253, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39fddf; background: linear-gradient(135deg, #39fddf, #3998FD);