#fff11b
a balanced, electric yellow · cool · closest name: yellow
RGB
255, 241, 27
HSL
56°, 100%, 55%
CMYK
0, 6, 89, 0
Luminance
0.8425
Every format
| HEX | #fff11b |
| RGB | rgb(255, 241, 27) |
| HSL | hsl(56, 100%, 55%) |
| CMYK | cmyk(0%, 6%, 89%, 0%) |
| LAB | lab(93.6 -14.6 89.3) |
| LCH | lch(93.6 90.5 99.3) |
| OKLCH | oklch(0.940 0.196 105.2) |
Copy-ready code
/* CSS */
color: #fff11b;
background-color: #fff11b;
/* Tailwind (arbitrary) */
class="text-[#fff11b] bg-[#fff11b]"
/* SCSS */
$brand: #fff11b;
/* SwiftUI */
Color(red: 1.000, green: 0.945, blue: 0.106)
/* Android */
Color.parseColor("#fff11b")Accessibility — WCAG contrast
Aa
#fff11b on white: 1.18:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fff11b on black: 17.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green94.5%
Blue10.6%
CMYK percentages
Cyan0.0%
Magenta5.5%
Yellow89.4%
Key (black)0.0%
Color previews
#fff11b text on a black background
contrast 17.85:1
Card sample
#fff11b text on a white background
contrast 1.18:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fff11b;
Background color
Panel with #fff11b background
background-color: #fff11b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fff11b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 241, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 241, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fff11b; background: linear-gradient(135deg, #fff11b, #75FF1B);