#efda21
a balanced, electric yellow · cool · closest name: gold
RGB
239, 218, 33
HSL
54°, 87%, 53%
CMYK
0, 9, 86, 6
Luminance
0.6860
Every format
| HEX | #efda21 |
| RGB | rgb(239, 218, 33) |
| HSL | hsl(54, 87%, 53%) |
| CMYK | cmyk(0%, 9%, 86%, 6%) |
| LAB | lab(86.3 -9.8 81.9) |
| LCH | lch(86.3 82.5 96.8) |
| OKLCH | oklch(0.879 0.178 102.1) |
Copy-ready code
/* CSS */
color: #efda21;
background-color: #efda21;
/* Tailwind (arbitrary) */
class="text-[#efda21] bg-[#efda21]"
/* SCSS */
$brand: #efda21;
/* SwiftUI */
Color(red: 0.937, green: 0.855, blue: 0.129)
/* Android */
Color.parseColor("#efda21")Accessibility — WCAG contrast
Aa
#efda21 on white: 1.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efda21 on black: 14.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green85.5%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta8.8%
Yellow86.2%
Key (black)6.3%
Color previews
#efda21 text on a black background
contrast 14.72:1
Card sample
#efda21 text on a white background
contrast 1.43:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efda21;
Background color
Panel with #efda21 background
background-color: #efda21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efda21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 218, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 218, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efda21; background: linear-gradient(135deg, #efda21, #7BEF21);