#efe521
a balanced, electric yellow · cool · closest name: gold
RGB
239, 229, 33
HSL
57°, 87%, 53%
CMYK
0, 4, 86, 6
Luminance
0.7450
Every format
| HEX | #efe521 |
| RGB | rgb(239, 229, 33) |
| HSL | hsl(57, 87%, 53%) |
| CMYK | cmyk(0%, 4%, 86%, 6%) |
| LAB | lab(89.2 -15.3 84.2) |
| LCH | lch(89.2 85.6 100.3) |
| OKLCH | oklch(0.901 0.187 106.3) |
Copy-ready code
/* CSS */
color: #efe521;
background-color: #efe521;
/* Tailwind (arbitrary) */
class="text-[#efe521] bg-[#efe521]"
/* SCSS */
$brand: #efe521;
/* SwiftUI */
Color(red: 0.937, green: 0.898, blue: 0.129)
/* Android */
Color.parseColor("#efe521")Accessibility — WCAG contrast
Aa
#efe521 on white: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efe521 on black: 15.90:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green89.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta4.2%
Yellow86.2%
Key (black)6.3%
Color previews
#efe521 text on a black background
contrast 15.90:1
Card sample
#efe521 text on a white background
contrast 1.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efe521;
Background color
Panel with #efe521 background
background-color: #efe521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efe521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 229, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 229, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efe521; background: linear-gradient(135deg, #efe521, #70EF21);