#efe921
a balanced, electric yellow · cool · closest name: yellow
RGB
239, 233, 33
HSL
58°, 87%, 53%
CMYK
0, 3, 86, 6
Luminance
0.7674
Every format
| HEX | #efe921 |
| RGB | rgb(239, 233, 33) |
| HSL | hsl(58, 87%, 53%) |
| CMYK | cmyk(0%, 3%, 86%, 6%) |
| LAB | lab(90.2 -17.2 85.1) |
| LCH | lch(90.2 86.8 101.4) |
| OKLCH | oklch(0.910 0.190 107.7) |
Copy-ready code
/* CSS */
color: #efe921;
background-color: #efe921;
/* Tailwind (arbitrary) */
class="text-[#efe921] bg-[#efe921]"
/* SCSS */
$brand: #efe921;
/* SwiftUI */
Color(red: 0.937, green: 0.914, blue: 0.129)
/* Android */
Color.parseColor("#efe921")Accessibility — WCAG contrast
Aa
#efe921 on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efe921 on black: 16.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green91.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta2.5%
Yellow86.2%
Key (black)6.3%
Color previews
#efe921 text on a black background
contrast 16.35:1
Card sample
#efe921 text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efe921;
Background color
Panel with #efe921 background
background-color: #efe921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efe921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 233, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 233, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efe921; background: linear-gradient(135deg, #efe921, #6BEF21);