#cefc21
a balanced, electric green · cool · closest name: yellow
RGB
206, 252, 33
HSL
73°, 97%, 56%
CMYK
18, 0, 87, 1
Luminance
0.8285
Every format
| HEX | #cefc21 |
| RGB | rgb(206, 252, 33) |
| HSL | hsl(73, 97%, 56%) |
| CMYK | cmyk(18%, 0%, 87%, 1%) |
| LAB | lab(93.0 -39.4 86.3) |
| LCH | lch(93.0 94.9 114.5) |
| OKLCH | oklch(0.926 0.219 122.3) |
Copy-ready code
/* CSS */
color: #cefc21;
background-color: #cefc21;
/* Tailwind (arbitrary) */
class="text-[#cefc21] bg-[#cefc21]"
/* SCSS */
$brand: #cefc21;
/* SwiftUI */
Color(red: 0.808, green: 0.988, blue: 0.129)
/* Android */
Color.parseColor("#cefc21")Accessibility — WCAG contrast
Aa
#cefc21 on white: 1.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#cefc21 on black: 17.57:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red80.8%
Green98.8%
Blue12.9%
CMYK percentages
Cyan18.3%
Magenta0.0%
Yellow86.9%
Key (black)1.2%
Color previews
#cefc21 text on a black background
contrast 17.57:1
Card sample
#cefc21 text on a white background
contrast 1.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cefc21;
Background color
Panel with #cefc21 background
background-color: #cefc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cefc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(206, 252, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(206, 252, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cefc21; background: linear-gradient(135deg, #cefc21, #3CFC21);