#f3de21
a balanced, electric yellow · cool · closest name: gold
RGB
243, 222, 33
HSL
54°, 90%, 54%
CMYK
0, 9, 86, 5
Luminance
0.7141
Every format
| HEX | #f3de21 |
| RGB | rgb(243, 222, 33) |
| HSL | hsl(54, 90%, 54%) |
| CMYK | cmyk(0%, 9%, 86%, 5%) |
| LAB | lab(87.7 -10.1 83.2) |
| LCH | lch(87.7 83.8 96.9) |
| OKLCH | oklch(0.890 0.181 102.2) |
Copy-ready code
/* CSS */
color: #f3de21;
background-color: #f3de21;
/* Tailwind (arbitrary) */
class="text-[#f3de21] bg-[#f3de21]"
/* SCSS */
$brand: #f3de21;
/* SwiftUI */
Color(red: 0.953, green: 0.871, blue: 0.129)
/* Android */
Color.parseColor("#f3de21")Accessibility — WCAG contrast
Aa
#f3de21 on white: 1.37:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#f3de21 on black: 15.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green87.1%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta8.6%
Yellow86.4%
Key (black)4.7%
Color previews
#f3de21 text on a black background
contrast 15.28:1
Card sample
#f3de21 text on a white background
contrast 1.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f3de21;
Background color
Panel with #f3de21 background
background-color: #f3de21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f3de21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 222, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 222, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f3de21; background: linear-gradient(135deg, #f3de21, #7CF321);