#ffff1b
a balanced, electric yellow · cool · “yellow”
RGB
255, 255, 27
HSL
60°, 100%, 55%
CMYK
0, 0, 89, 0
Luminance
0.9286
Every format
| HEX | #ffff1b |
| RGB | rgb(255, 255, 27) |
| HSL | hsl(60, 100%, 55%) |
| CMYK | cmyk(0%, 0%, 89%, 0%) |
| LAB | lab(97.2 -21.3 92.1) |
| LCH | lch(97.2 94.5 103.0) |
| OKLCH | oklch(0.968 0.207 109.7) |
Copy-ready code
/* CSS */
color: #ffff1b;
background-color: #ffff1b;
/* Tailwind (arbitrary) */
class="text-[#ffff1b] bg-[#ffff1b]"
/* SCSS */
$brand: #ffff1b;
/* SwiftUI */
Color(red: 1.000, green: 1.000, blue: 0.106)
/* Android */
Color.parseColor("#ffff1b")Accessibility — WCAG contrast
Aa
#ffff1b on white: 1.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ffff1b on black: 19.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green100.0%
Blue10.6%
CMYK percentages
Cyan0.0%
Magenta0.0%
Yellow89.4%
Key (black)0.0%
Color previews
#ffff1b text on a black background
contrast 19.57:1
Card sample
#ffff1b text on a white background
contrast 1.07:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ffff1b;
Background color
Panel with #ffff1b background
background-color: #ffff1b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ffff1b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 255, 27, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 255, 27, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ffff1b; background: linear-gradient(135deg, #ffff1b, #67FF1B);