#efdc21
a balanced, electric yellow · cool · closest name: gold
RGB
239, 220, 33
HSL
55°, 87%, 53%
CMYK
0, 8, 86, 6
Luminance
0.6965
Every format
| HEX | #efdc21 |
| RGB | rgb(239, 220, 33) |
| HSL | hsl(55, 87%, 53%) |
| CMYK | cmyk(0%, 8%, 86%, 6%) |
| LAB | lab(86.8 -10.8 82.3) |
| LCH | lch(86.8 83.1 97.5) |
| OKLCH | oklch(0.883 0.180 102.9) |
Copy-ready code
/* CSS */
color: #efdc21;
background-color: #efdc21;
/* Tailwind (arbitrary) */
class="text-[#efdc21] bg-[#efdc21]"
/* SCSS */
$brand: #efdc21;
/* SwiftUI */
Color(red: 0.937, green: 0.863, blue: 0.129)
/* Android */
Color.parseColor("#efdc21")Accessibility — WCAG contrast
Aa
#efdc21 on white: 1.41:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efdc21 on black: 14.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green86.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta7.9%
Yellow86.2%
Key (black)6.3%
Color previews
#efdc21 text on a black background
contrast 14.93:1
Card sample
#efdc21 text on a white background
contrast 1.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efdc21;
Background color
Panel with #efdc21 background
background-color: #efdc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efdc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 220, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 220, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efdc21; background: linear-gradient(135deg, #efdc21, #78EF21);