#f3fd09
a balanced, electric yellow · cool · closest name: yellow
RGB
243, 253, 9
HSL
63°, 98%, 51%
CMYK
4, 0, 96, 1
Luminance
0.8932
Every format
| HEX | #f3fd09 |
| RGB | rgb(243, 253, 9) |
| HSL | hsl(63, 98%, 51%) |
| CMYK | cmyk(4%, 0%, 96%, 1%) |
| LAB | lab(95.7 -25.4 92.4) |
| LCH | lch(95.7 95.8 105.4) |
| OKLCH | oklch(0.954 0.211 112.7) |
Copy-ready code
/* CSS */
color: #f3fd09;
background-color: #f3fd09;
/* Tailwind (arbitrary) */
class="text-[#f3fd09] bg-[#f3fd09]"
/* SCSS */
$brand: #f3fd09;
/* SwiftUI */
Color(red: 0.953, green: 0.992, blue: 0.035)
/* Android */
Color.parseColor("#f3fd09")Accessibility — WCAG contrast
Aa
#f3fd09 on white: 1.11:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#f3fd09 on black: 18.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red95.3%
Green99.2%
Blue3.5%
CMYK percentages
Cyan4.0%
Magenta0.0%
Yellow96.4%
Key (black)0.8%
Color previews
#f3fd09 text on a black background
contrast 18.86:1
Card sample
#f3fd09 text on a white background
contrast 1.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f3fd09;
Background color
Panel with #f3fd09 background
background-color: #f3fd09;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f3fd09;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(243, 253, 9, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(243, 253, 9, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f3fd09; background: linear-gradient(135deg, #f3fd09, #50FD09);