#39fdef
a balanced, electric cyan · cool · closest name: cyan
RGB
57, 253, 239
HSL
176°, 98%, 61%
CMYK
78, 0, 6, 1
Luminance
0.7735
Every format
| HEX | #39fdef |
| RGB | rgb(57, 253, 239) |
| HSL | hsl(176, 98%, 61%) |
| CMYK | cmyk(78%, 0%, 6%, 1%) |
| LAB | lab(90.5 -49.0 -6.7) |
| LCH | lch(90.5 49.5 187.8) |
| OKLCH | oklch(0.900 0.147 187.4) |
Copy-ready code
/* CSS */
color: #39fdef;
background-color: #39fdef;
/* Tailwind (arbitrary) */
class="text-[#39fdef] bg-[#39fdef]"
/* SCSS */
$brand: #39fdef;
/* SwiftUI */
Color(red: 0.224, green: 0.992, blue: 0.937)
/* Android */
Color.parseColor("#39fdef")Accessibility — WCAG contrast
Aa
#39fdef on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39fdef on black: 16.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green99.2%
Blue93.7%
CMYK percentages
Cyan77.5%
Magenta0.0%
Yellow5.5%
Key (black)0.8%
Color previews
#39fdef text on a black background
contrast 16.47:1
Card sample
#39fdef text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39fdef;
Background color
Panel with #39fdef background
background-color: #39fdef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39fdef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 253, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 253, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39fdef; background: linear-gradient(135deg, #39fdef, #3988FD);