#efdf40
a balanced, electric yellow · cool · closest name: gold
RGB
239, 223, 64
HSL
55°, 85%, 59%
CMYK
0, 7, 73, 6
Luminance
0.7150
Every format
| HEX | #efdf40 |
| RGB | rgb(239, 223, 64) |
| HSL | hsl(55, 85%, 59%) |
| CMYK | cmyk(0%, 7%, 73%, 6%) |
| LAB | lab(87.7 -11.3 74.8) |
| LCH | lch(87.7 75.6 98.6) |
| OKLCH | oklch(0.890 0.169 103.4) |
Copy-ready code
/* CSS */
color: #efdf40;
background-color: #efdf40;
/* Tailwind (arbitrary) */
class="text-[#efdf40] bg-[#efdf40]"
/* SCSS */
$brand: #efdf40;
/* SwiftUI */
Color(red: 0.937, green: 0.875, blue: 0.251)
/* Android */
Color.parseColor("#efdf40")Accessibility — WCAG contrast
Aa
#efdf40 on white: 1.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efdf40 on black: 15.30:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green87.5%
Blue25.1%
CMYK percentages
Cyan0.0%
Magenta6.7%
Yellow73.2%
Key (black)6.3%
Color previews
#efdf40 text on a black background
contrast 15.30:1
Card sample
#efdf40 text on a white background
contrast 1.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efdf40;
Background color
Panel with #efdf40 background
background-color: #efdf40;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efdf40;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 223, 64, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 223, 64, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efdf40; background: linear-gradient(135deg, #efdf40, #8AEF40);