#ecf404
a balanced, electric yellow · cool · closest name: yellow
RGB
236, 244, 4
HSL
62°, 97%, 49%
CMYK
3, 0, 98, 4
Luminance
0.8254
Every format
| HEX | #ecf404 |
| RGB | rgb(236, 244, 4) |
| HSL | hsl(62, 97%, 49%) |
| CMYK | cmyk(3%, 0%, 98%, 4%) |
| LAB | lab(92.8 -24.1 90.4) |
| LCH | lch(92.8 93.5 104.9) |
| OKLCH | oklch(0.930 0.206 112.2) |
Copy-ready code
/* CSS */
color: #ecf404;
background-color: #ecf404;
/* Tailwind (arbitrary) */
class="text-[#ecf404] bg-[#ecf404]"
/* SCSS */
$brand: #ecf404;
/* SwiftUI */
Color(red: 0.925, green: 0.957, blue: 0.016)
/* Android */
Color.parseColor("#ecf404")Accessibility — WCAG contrast
Aa
#ecf404 on white: 1.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ecf404 on black: 17.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red92.5%
Green95.7%
Blue1.6%
CMYK percentages
Cyan3.3%
Magenta0.0%
Yellow98.4%
Key (black)4.3%
Color previews
#ecf404 text on a black background
contrast 17.51:1
Card sample
#ecf404 text on a white background
contrast 1.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ecf404;
Background color
Panel with #ecf404 background
background-color: #ecf404;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ecf404;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(236, 244, 4, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(236, 244, 4, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ecf404; background: linear-gradient(135deg, #ecf404, #4CF404);