#fff42f
a balanced, electric yellow · cool · closest name: yellow
RGB
255, 244, 47
HSL
57°, 100%, 59%
CMYK
0, 4, 82, 0
Luminance
0.8617
Every format
| HEX | #fff42f |
| RGB | rgb(255, 244, 47) |
| HSL | hsl(57, 100%, 59%) |
| CMYK | cmyk(0%, 4%, 82%, 0%) |
| LAB | lab(94.4 -15.6 86.1) |
| LCH | lch(94.4 87.5 100.3) |
| OKLCH | oklch(0.946 0.193 106.1) |
Copy-ready code
/* CSS */
color: #fff42f;
background-color: #fff42f;
/* Tailwind (arbitrary) */
class="text-[#fff42f] bg-[#fff42f]"
/* SCSS */
$brand: #fff42f;
/* SwiftUI */
Color(red: 1.000, green: 0.957, blue: 0.184)
/* Android */
Color.parseColor("#fff42f")Accessibility — WCAG contrast
Aa
#fff42f on white: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#fff42f on black: 18.23:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green95.7%
Blue18.4%
CMYK percentages
Cyan0.0%
Magenta4.3%
Yellow81.6%
Key (black)0.0%
Color previews
#fff42f text on a black background
contrast 18.23:1
Card sample
#fff42f text on a white background
contrast 1.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #fff42f;
Background color
Panel with #fff42f background
background-color: #fff42f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #fff42f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 244, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 244, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #fff42f; background: linear-gradient(135deg, #fff42f, #7FFF2F);