#c9dd21
a balanced, vivid yellow · cool · closest name: yellow
RGB
201, 221, 33
HSL
66°, 74%, 50%
CMYK
9, 0, 85, 13
Luminance
0.6424
Every format
| HEX | #c9dd21 |
| RGB | rgb(201, 221, 33) |
| HSL | hsl(66, 74%, 50%) |
| CMYK | cmyk(9%, 0%, 85%, 13%) |
| LAB | lab(84.1 -27.2 78.9) |
| LCH | lch(84.1 83.4 109.0) |
| OKLCH | oklch(0.854 0.189 116.3) |
Copy-ready code
/* CSS */
color: #c9dd21;
background-color: #c9dd21;
/* Tailwind (arbitrary) */
class="text-[#c9dd21] bg-[#c9dd21]"
/* SCSS */
$brand: #c9dd21;
/* SwiftUI */
Color(red: 0.788, green: 0.867, blue: 0.129)
/* Android */
Color.parseColor("#c9dd21")Accessibility — WCAG contrast
Aa
#c9dd21 on white: 1.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#c9dd21 on black: 13.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red78.8%
Green86.7%
Blue12.9%
CMYK percentages
Cyan9.0%
Magenta0.0%
Yellow85.1%
Key (black)13.3%
Color previews
#c9dd21 text on a black background
contrast 13.85:1
Card sample
#c9dd21 text on a white background
contrast 1.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c9dd21;
Background color
Panel with #c9dd21 background
background-color: #c9dd21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c9dd21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(201, 221, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(201, 221, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c9dd21; background: linear-gradient(135deg, #c9dd21, #4CDD21);