#fef521
a balanced, electric yellow · cool · closest name: yellow
RGB
254, 245, 33
HSL
58°, 99%, 56%
CMYK
0, 4, 87, 0
Luminance
0.8649
Every format
| HEX | #fef521 |
| RGB | rgb(254, 245, 33) |
| HSL | hsl(58, 99%, 56%) |
| CMYK | cmyk(0%, 4%, 87%, 0%) |
| LAB | lab(94.5 -16.8 89.0) |
| LCH | lch(94.5 90.6 100.7) |
| OKLCH | oklch(0.947 0.198 106.8) |
Copy-ready code
/* CSS */
color: #fef521;
background-color: #fef521;
/* Tailwind (arbitrary) */
class="text-[#fef521] bg-[#fef521]"
/* SCSS */
$brand: #fef521;
/* SwiftUI */
Color(red: 0.996, green: 0.961, blue: 0.129)
/* Android */
Color.parseColor("#fef521")Accessibility — WCAG contrast
Aa
#fef521 on white: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fef521 on black: 18.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red99.6%
Green96.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta3.5%
Yellow87.0%
Key (black)0.4%
Color previews
#fef521 text on a black background
contrast 18.30:1
Card sample
#fef521 text on a white background
contrast 1.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fef521;
Background color
Panel with #fef521 background
background-color: #fef521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fef521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(254, 245, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(254, 245, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fef521; background: linear-gradient(135deg, #fef521, #74FE21);