#39feef
a balanced, electric cyan · cool · closest name: cyan
RGB
57, 254, 239
HSL
175°, 99%, 61%
CMYK
78, 0, 6, 0
Luminance
0.7799
Every format
| HEX | #39feef |
| RGB | rgb(57, 254, 239) |
| HSL | hsl(175, 99%, 61%) |
| CMYK | cmyk(78%, 0%, 6%, 0%) |
| LAB | lab(90.8 -49.5 -6.3) |
| LCH | lch(90.8 49.9 187.3) |
| OKLCH | oklch(0.902 0.148 186.9) |
Copy-ready code
/* CSS */
color: #39feef;
background-color: #39feef;
/* Tailwind (arbitrary) */
class="text-[#39feef] bg-[#39feef]"
/* SCSS */
$brand: #39feef;
/* SwiftUI */
Color(red: 0.224, green: 0.996, blue: 0.937)
/* Android */
Color.parseColor("#39feef")Accessibility — WCAG contrast
Aa
#39feef on white: 1.27:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#39feef on black: 16.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green99.6%
Blue93.7%
CMYK percentages
Cyan77.6%
Magenta0.0%
Yellow5.9%
Key (black)0.4%
Color previews
#39feef text on a black background
contrast 16.60:1
Card sample
#39feef text on a white background
contrast 1.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #39feef;
Background color
Panel with #39feef background
background-color: #39feef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #39feef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 254, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 254, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39feef; background: linear-gradient(135deg, #39feef, #398AFE);