#f8ef21
a balanced, electric yellow · cool · closest name: yellow
RGB
248, 239, 33
HSL
58°, 94%, 55%
CMYK
0, 4, 87, 3
Luminance
0.8180
Every format
| HEX | #f8ef21 |
| RGB | rgb(248, 239, 33) |
| HSL | hsl(58, 94%, 55%) |
| CMYK | cmyk(0%, 4%, 87%, 3%) |
| LAB | lab(92.5 -16.4 87.2) |
| LCH | lch(92.5 88.7 100.7) |
| OKLCH | oklch(0.930 0.194 106.8) |
Copy-ready code
/* CSS */
color: #f8ef21;
background-color: #f8ef21;
/* Tailwind (arbitrary) */
class="text-[#f8ef21] bg-[#f8ef21]"
/* SCSS */
$brand: #f8ef21;
/* SwiftUI */
Color(red: 0.973, green: 0.937, blue: 0.129)
/* Android */
Color.parseColor("#f8ef21")Accessibility — WCAG contrast
Aa
#f8ef21 on white: 1.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#f8ef21 on black: 17.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red97.3%
Green93.7%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta3.6%
Yellow86.7%
Key (black)2.7%
Color previews
#f8ef21 text on a black background
contrast 17.36:1
Card sample
#f8ef21 text on a white background
contrast 1.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #f8ef21;
Background color
Panel with #f8ef21 background
background-color: #f8ef21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #f8ef21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(248, 239, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(248, 239, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #f8ef21; background: linear-gradient(135deg, #f8ef21, #72F821);