#fbef21
a balanced, electric yellow · cool · closest name: yellow
RGB
251, 239, 33
HSL
57°, 97%, 56%
CMYK
0, 5, 87, 2
Luminance
0.8235
Every format
| HEX | #fbef21 |
| RGB | rgb(251, 239, 33) |
| HSL | hsl(57, 97%, 56%) |
| CMYK | cmyk(0%, 5%, 87%, 2%) |
| LAB | lab(92.7 -15.2 87.5) |
| LCH | lch(92.7 88.8 99.8) |
| OKLCH | oklch(0.932 0.193 105.8) |
Copy-ready code
/* CSS */
color: #fbef21;
background-color: #fbef21;
/* Tailwind (arbitrary) */
class="text-[#fbef21] bg-[#fbef21]"
/* SCSS */
$brand: #fbef21;
/* SwiftUI */
Color(red: 0.984, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#fbef21")Accessibility — WCAG contrast
Aa
#fbef21 on white: 1.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fbef21 on black: 17.47:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red98.4%
Green93.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta4.8%
Yellow86.9%
Key (black)1.6%
Color previews
#fbef21 text on a black background
contrast 17.47:1
Card sample
#fbef21 text on a white background
contrast 1.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fbef21;
Background color
Panel with #fbef21 background
background-color: #fbef21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fbef21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(251, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(251, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fbef21; background: linear-gradient(135deg, #fbef21, #76FB21);