#fff511
a balanced, electric yellow · cool · closest name: yellow
RGB
255, 245, 17
HSL
58°, 100%, 53%
CMYK
0, 4, 93, 0
Luminance
0.8661
Every format
| HEX | #fff511 |
| RGB | rgb(255, 245, 17) |
| HSL | hsl(58, 100%, 53%) |
| CMYK | cmyk(0%, 4%, 93%, 0%) |
| LAB | lab(94.6 -16.6 91.3) |
| LCH | lch(94.6 92.8 100.3) |
| OKLCH | oklch(0.948 0.201 106.6) |
Copy-ready code
/* CSS */
color: #fff511;
background-color: #fff511;
/* Tailwind (arbitrary) */
class="text-[#fff511] bg-[#fff511]"
/* SCSS */
$brand: #fff511;
/* SwiftUI */
Color(red: 1.000, green: 0.961, blue: 0.067)
/* Android */
Color.parseColor("#fff511")Accessibility — WCAG contrast
Aa
#fff511 on white: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fff511 on black: 18.32:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green96.1%
Blue6.7%
CMYK percentages
Cyan0.0%
Magenta3.9%
Yellow93.3%
Key (black)0.0%
Color previews
#fff511 text on a black background
contrast 18.32:1
Card sample
#fff511 text on a white background
contrast 1.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fff511;
Background color
Panel with #fff511 background
background-color: #fff511;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fff511;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 245, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 245, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fff511; background: linear-gradient(135deg, #fff511, #6AFF11);