#ffcf21
a balanced, electric yellow · cool · closest name: gold
RGB
255, 207, 33
HSL
47°, 100%, 57%
CMYK
0, 19, 87, 0
Luminance
0.6600
Every format
| HEX | #ffcf21 |
| RGB | rgb(255, 207, 33) |
| HSL | hsl(47, 100%, 57%) |
| CMYK | cmyk(0%, 19%, 87%, 0%) |
| LAB | lab(85.0 2.5 81.5) |
| LCH | lch(85.0 81.5 88.2) |
| OKLCH | oklch(0.872 0.172 91.1) |
Copy-ready code
/* CSS */
color: #ffcf21;
background-color: #ffcf21;
/* Tailwind (arbitrary) */
class="text-[#ffcf21] bg-[#ffcf21]"
/* SCSS */
$brand: #ffcf21;
/* SwiftUI */
Color(red: 1.000, green: 0.812, blue: 0.129)
/* Android */
Color.parseColor("#ffcf21")Accessibility — WCAG contrast
Aa
#ffcf21 on white: 1.48:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#ffcf21 on black: 14.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red100.0%
Green81.2%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta18.8%
Yellow87.1%
Key (black)0.0%
Color previews
#ffcf21 text on a black background
contrast 14.20:1
Card sample
#ffcf21 text on a white background
contrast 1.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ffcf21;
Background color
Panel with #ffcf21 background
background-color: #ffcf21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ffcf21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(255, 207, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 207, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ffcf21; background: linear-gradient(135deg, #ffcf21, #9BFF21);