#c9f821
a balanced, electric green · cool · closest name: yellow
RGB
201, 248, 33
HSL
73°, 94%, 55%
CMYK
19, 0, 87, 3
Luminance
0.7966
Every format
| HEX | #c9f821 |
| RGB | rgb(201, 248, 33) |
| HSL | hsl(73, 94%, 55%) |
| CMYK | cmyk(19%, 0%, 87%, 3%) |
| LAB | lab(91.5 -39.6 85.0) |
| LCH | lch(91.5 93.8 115.0) |
| OKLCH | oklch(0.914 0.217 122.7) |
Copy-ready code
/* CSS */
color: #c9f821;
background-color: #c9f821;
/* Tailwind (arbitrary) */
class="text-[#c9f821] bg-[#c9f821]"
/* SCSS */
$brand: #c9f821;
/* SwiftUI */
Color(red: 0.788, green: 0.973, blue: 0.129)
/* Android */
Color.parseColor("#c9f821")Accessibility — WCAG contrast
Aa
#c9f821 on white: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#c9f821 on black: 16.93:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red78.8%
Green97.3%
Blue12.9%
CMYK percentages
Cyan19.0%
Magenta0.0%
Yellow86.7%
Key (black)2.7%
Color previews
#c9f821 text on a black background
contrast 16.93:1
Card sample
#c9f821 text on a white background
contrast 1.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #c9f821;
Background color
Panel with #c9f821 background
background-color: #c9f821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #c9f821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(201, 248, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(201, 248, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c9f821; background: linear-gradient(135deg, #c9f821, #3AF821);