#fff404
a balanced, electric yellow · cool · closest name: yellow
RGB
255, 244, 4
HSL
57°, 100%, 51%
CMYK
0, 4, 98, 0
Luminance
0.8597
Every format
| HEX | #fff404 |
| RGB | rgb(255, 244, 4) |
| HSL | hsl(57, 100%, 51%) |
| CMYK | cmyk(0%, 4%, 98%, 0%) |
| LAB | lab(94.3 -16.3 92.1) |
| LCH | lch(94.3 93.5 100.0) |
| OKLCH | oklch(0.945 0.202 106.3) |
Copy-ready code
/* CSS */
color: #fff404;
background-color: #fff404;
/* Tailwind (arbitrary) */
class="text-[#fff404] bg-[#fff404]"
/* SCSS */
$brand: #fff404;
/* SwiftUI */
Color(red: 1.000, green: 0.957, blue: 0.016)
/* Android */
Color.parseColor("#fff404")Accessibility — WCAG contrast
Aa
#fff404 on white: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fff404 on black: 18.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green95.7%
Blue1.6%
CMYK percentages
Cyan0.0%
Magenta4.3%
Yellow98.4%
Key (black)0.0%
Color previews
#fff404 text on a black background
contrast 18.19:1
Card sample
#fff404 text on a white background
contrast 1.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fff404;
Background color
Panel with #fff404 background
background-color: #fff404;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fff404;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 244, 4, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 244, 4, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fff404; background: linear-gradient(135deg, #fff404, #63FF04);