#fff821
a balanced, electric yellow · cool · closest name: yellow
RGB
255, 248, 33
HSL
58°, 100%, 57%
CMYK
0, 3, 87, 0
Luminance
0.8850
Every format
| HEX | #fff821 |
| RGB | rgb(255, 248, 33) |
| HSL | hsl(58, 100%, 57%) |
| CMYK | cmyk(0%, 3%, 87%, 0%) |
| LAB | lab(95.4 -17.9 89.7) |
| LCH | lch(95.4 91.5 101.3) |
| OKLCH | oklch(0.954 0.200 107.5) |
Copy-ready code
/* CSS */
color: #fff821;
background-color: #fff821;
/* Tailwind (arbitrary) */
class="text-[#fff821] bg-[#fff821]"
/* SCSS */
$brand: #fff821;
/* SwiftUI */
Color(red: 1.000, green: 0.973, blue: 0.129)
/* Android */
Color.parseColor("#fff821")Accessibility — WCAG contrast
Aa
#fff821 on white: 1.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fff821 on black: 18.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green97.3%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta2.7%
Yellow87.1%
Key (black)0.0%
Color previews
#fff821 text on a black background
contrast 18.70:1
Card sample
#fff821 text on a white background
contrast 1.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fff821;
Background color
Panel with #fff821 background
background-color: #fff821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fff821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 248, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 248, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fff821; background: linear-gradient(135deg, #fff821, #72FF21);