#f1ff21
a balanced, electric yellow · cool · closest name: yellow
RGB
241, 255, 33
HSL
64°, 100%, 57%
CMYK
6, 0, 87, 0
Luminance
0.9033
Every format
| HEX | #f1ff21 |
| RGB | rgb(241, 255, 33) |
| HSL | hsl(64, 100%, 57%) |
| CMYK | cmyk(6%, 0%, 87%, 0%) |
| LAB | lab(96.1 -26.9 89.9) |
| LCH | lch(96.1 93.8 106.7) |
| OKLCH | oklch(0.958 0.210 113.8) |
Copy-ready code
/* CSS */
color: #f1ff21;
background-color: #f1ff21;
/* Tailwind (arbitrary) */
class="text-[#f1ff21] bg-[#f1ff21]"
/* SCSS */
$brand: #f1ff21;
/* SwiftUI */
Color(red: 0.945, green: 1.000, blue: 0.129)
/* Android */
Color.parseColor("#f1ff21")Accessibility — WCAG contrast
Aa
#f1ff21 on white: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#f1ff21 on black: 19.07:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red94.5%
Green100.0%
Blue12.9%
CMYK percentages
Cyan5.5%
Magenta0.0%
Yellow87.1%
Key (black)0.0%
Color previews
#f1ff21 text on a black background
contrast 19.07:1
Card sample
#f1ff21 text on a white background
contrast 1.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f1ff21;
Background color
Panel with #f1ff21 background
background-color: #f1ff21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f1ff21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(241, 255, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(241, 255, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f1ff21; background: linear-gradient(135deg, #f1ff21, #5DFF21);