#efe821
a balanced, electric yellow · cool · closest name: yellow
RGB
239, 232, 33
HSL
58°, 87%, 53%
CMYK
0, 3, 86, 6
Luminance
0.7617
Every format
| HEX | #efe821 |
| RGB | rgb(239, 232, 33) |
| HSL | hsl(58, 87%, 53%) |
| CMYK | cmyk(0%, 3%, 86%, 6%) |
| LAB | lab(89.9 -16.7 84.9) |
| LCH | lch(89.9 86.5 101.2) |
| OKLCH | oklch(0.908 0.190 107.4) |
Copy-ready code
/* CSS */
color: #efe821;
background-color: #efe821;
/* Tailwind (arbitrary) */
class="text-[#efe821] bg-[#efe821]"
/* SCSS */
$brand: #efe821;
/* SwiftUI */
Color(red: 0.937, green: 0.910, blue: 0.129)
/* Android */
Color.parseColor("#efe821")Accessibility — WCAG contrast
Aa
#efe821 on white: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efe821 on black: 16.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green91.0%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta2.9%
Yellow86.2%
Key (black)6.3%
Color previews
#efe821 text on a black background
contrast 16.23:1
Card sample
#efe821 text on a white background
contrast 1.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efe821;
Background color
Panel with #efe821 background
background-color: #efe821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efe821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 232, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 232, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efe821; background: linear-gradient(135deg, #efe821, #6CEF21);