#efb521
a balanced, electric yellow · warm · closest name: orange
RGB
239, 181, 33
HSL
43°, 87%, 53%
CMYK
0, 24, 86, 6
Luminance
0.5151
Every format
| HEX | #efb521 |
| RGB | rgb(239, 181, 33) |
| HSL | hsl(43, 87%, 53%) |
| CMYK | cmyk(0%, 24%, 86%, 6%) |
| LAB | lab(77.0 9.2 74.4) |
| LCH | lch(77.0 75.0 83.0) |
| OKLCH | oklch(0.805 0.159 84.1) |
Copy-ready code
/* CSS */
color: #efb521;
background-color: #efb521;
/* Tailwind (arbitrary) */
class="text-[#efb521] bg-[#efb521]"
/* SCSS */
$brand: #efb521;
/* SwiftUI */
Color(red: 0.937, green: 0.710, blue: 0.129)
/* Android */
Color.parseColor("#efb521")Accessibility — WCAG contrast
Aa
#efb521 on white: 1.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efb521 on black: 11.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green71.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta24.3%
Yellow86.2%
Key (black)6.3%
Color previews
#efb521 text on a black background
contrast 11.30:1
Card sample
#efb521 text on a white background
contrast 1.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efb521;
Background color
Panel with #efb521 background
background-color: #efb521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efb521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 181, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 181, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efb521; background: linear-gradient(135deg, #efb521, #A0EF21);