#ffb511
a balanced, electric yellow · warm · closest name: orange
RGB
255, 181, 17
HSL
41°, 100%, 53%
CMYK
0, 29, 93, 0
Luminance
0.5435
Every format
| HEX | #ffb511 |
| RGB | rgb(255, 181, 17) |
| HSL | hsl(41, 100%, 53%) |
| CMYK | cmyk(0%, 29%, 93%, 0%) |
| LAB | lab(78.7 15.7 79.5) |
| LCH | lch(78.7 81.1 78.8) |
| OKLCH | oklch(0.822 0.169 78.5) |
Copy-ready code
/* CSS */
color: #ffb511;
background-color: #ffb511;
/* Tailwind (arbitrary) */
class="text-[#ffb511] bg-[#ffb511]"
/* SCSS */
$brand: #ffb511;
/* SwiftUI */
Color(red: 1.000, green: 0.710, blue: 0.067)
/* Android */
Color.parseColor("#ffb511")Accessibility — WCAG contrast
Aa
#ffb511 on white: 1.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ffb511 on black: 11.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green71.0%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta29.0%
Yellow93.3%
Key (black)0.0%
Color previews
#ffb511 text on a black background
contrast 11.87:1
Card sample
#ffb511 text on a white background
contrast 1.77:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ffb511;
Background color
Panel with #ffb511 background
background-color: #ffb511;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ffb511;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 181, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 181, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ffb511; background: linear-gradient(135deg, #ffb511, #AAFF11);