#efea21
a balanced, electric yellow · cool · closest name: yellow
RGB
239, 234, 33
HSL
59°, 87%, 53%
CMYK
0, 2, 86, 6
Luminance
0.7731
Every format
| HEX | #efea21 |
| RGB | rgb(239, 234, 33) |
| HSL | hsl(59, 87%, 53%) |
| CMYK | cmyk(0%, 2%, 86%, 6%) |
| LAB | lab(90.5 -17.7 85.3) |
| LCH | lch(90.5 87.1 101.7) |
| OKLCH | oklch(0.912 0.191 108.0) |
Copy-ready code
/* CSS */
color: #efea21;
background-color: #efea21;
/* Tailwind (arbitrary) */
class="text-[#efea21] bg-[#efea21]"
/* SCSS */
$brand: #efea21;
/* SwiftUI */
Color(red: 0.937, green: 0.918, blue: 0.129)
/* Android */
Color.parseColor("#efea21")Accessibility — WCAG contrast
Aa
#efea21 on white: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efea21 on black: 16.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green91.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta2.1%
Yellow86.2%
Key (black)6.3%
Color previews
#efea21 text on a black background
contrast 16.46:1
Card sample
#efea21 text on a white background
contrast 1.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efea21;
Background color
Panel with #efea21 background
background-color: #efea21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efea21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 234, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 234, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efea21; background: linear-gradient(135deg, #efea21, #6BEF21);