#efd821
a balanced, electric yellow · cool · closest name: gold
RGB
239, 216, 33
HSL
53°, 87%, 53%
CMYK
0, 10, 86, 6
Luminance
0.6757
Every format
| HEX | #efd821 |
| RGB | rgb(239, 216, 33) |
| HSL | hsl(53, 87%, 53%) |
| CMYK | cmyk(0%, 10%, 86%, 6%) |
| LAB | lab(85.8 -8.8 81.5) |
| LCH | lch(85.8 82.0 96.2) |
| OKLCH | oklch(0.875 0.177 101.2) |
Copy-ready code
/* CSS */
color: #efd821;
background-color: #efd821;
/* Tailwind (arbitrary) */
class="text-[#efd821] bg-[#efd821]"
/* SCSS */
$brand: #efd821;
/* SwiftUI */
Color(red: 0.937, green: 0.847, blue: 0.129)
/* Android */
Color.parseColor("#efd821")Accessibility — WCAG contrast
Aa
#efd821 on white: 1.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efd821 on black: 14.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green84.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta9.6%
Yellow86.2%
Key (black)6.3%
Color previews
#efd821 text on a black background
contrast 14.51:1
Card sample
#efd821 text on a white background
contrast 1.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efd821;
Background color
Panel with #efd821 background
background-color: #efd821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efd821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 216, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 216, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efd821; background: linear-gradient(135deg, #efd821, #7DEF21);