#04fdf9
a balanced, electric cyan · cool · “cyan”
RGB
4, 253, 249
HSL
179°, 98%, 50%
CMYK
98, 0, 2, 1
Luminance
0.7712
Every format
| HEX | #04fdf9 |
| RGB | rgb(4, 253, 249) |
| HSL | hsl(179, 98%, 50%) |
| CMYK | cmyk(98%, 0%, 2%, 1%) |
| LAB | lab(90.4 -48.9 -12.1) |
| LCH | lch(90.4 50.3 193.9) |
| OKLCH | oklch(0.899 0.154 192.7) |
Copy-ready code
/* CSS */
color: #04fdf9;
background-color: #04fdf9;
/* Tailwind (arbitrary) */
class="text-[#04fdf9] bg-[#04fdf9]"
/* SCSS */
$brand: #04fdf9;
/* SwiftUI */
Color(red: 0.016, green: 0.992, blue: 0.976)
/* Android */
Color.parseColor("#04fdf9")Accessibility — WCAG contrast
Aa
#04fdf9 on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#04fdf9 on black: 16.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green99.2%
Blue97.6%
CMYK percentages
Cyan98.4%
Magenta0.0%
Yellow1.6%
Key (black)0.8%
Color previews
#04fdf9 text on a black background
contrast 16.42:1
Card sample
#04fdf9 text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04fdf9;
Background color
Panel with #04fdf9 background
background-color: #04fdf9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04fdf9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 253, 249, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 253, 249, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04fdf9; background: linear-gradient(135deg, #04fdf9, #045BFD);