#efc921
a balanced, electric yellow · cool · closest name: gold
RGB
239, 201, 33
HSL
49°, 87%, 53%
CMYK
0, 16, 86, 6
Luminance
0.6023
Every format
| HEX | #efc921 |
| RGB | rgb(239, 201, 33) |
| HSL | hsl(49, 87%, 53%) |
| CMYK | cmyk(0%, 16%, 86%, 6%) |
| LAB | lab(82.0 -1.2 78.5) |
| LCH | lch(82.0 78.5 90.9) |
| OKLCH | oklch(0.844 0.167 94.5) |
Copy-ready code
/* CSS */
color: #efc921;
background-color: #efc921;
/* Tailwind (arbitrary) */
class="text-[#efc921] bg-[#efc921]"
/* SCSS */
$brand: #efc921;
/* SwiftUI */
Color(red: 0.937, green: 0.788, blue: 0.129)
/* Android */
Color.parseColor("#efc921")Accessibility — WCAG contrast
Aa
#efc921 on white: 1.61:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#efc921 on black: 13.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green78.8%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta15.9%
Yellow86.2%
Key (black)6.3%
Color previews
#efc921 text on a black background
contrast 13.05:1
Card sample
#efc921 text on a white background
contrast 1.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #efc921;
Background color
Panel with #efc921 background
background-color: #efc921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #efc921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 201, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 201, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #efc921; background: linear-gradient(135deg, #efc921, #8CEF21);