#cefb21
a balanced, electric green · cool · closest name: yellow
RGB
206, 251, 33
HSL
72°, 97%, 56%
CMYK
18, 0, 87, 2
Luminance
0.8223
Every format
| HEX | #cefb21 |
| RGB | rgb(206, 251, 33) |
| HSL | hsl(72, 97%, 56%) |
| CMYK | cmyk(18%, 0%, 87%, 2%) |
| LAB | lab(92.7 -39.0 86.1) |
| LCH | lch(92.7 94.5 114.4) |
| OKLCH | oklch(0.924 0.218 122.1) |
Copy-ready code
/* CSS */
color: #cefb21;
background-color: #cefb21;
/* Tailwind (arbitrary) */
class="text-[#cefb21] bg-[#cefb21]"
/* SCSS */
$brand: #cefb21;
/* SwiftUI */
Color(red: 0.808, green: 0.984, blue: 0.129)
/* Android */
Color.parseColor("#cefb21")Accessibility — WCAG contrast
Aa
#cefb21 on white: 1.20:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#cefb21 on black: 17.45:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red80.8%
Green98.4%
Blue12.9%
CMYK percentages
Cyan17.9%
Magenta0.0%
Yellow86.9%
Key (black)1.6%
Color previews
#cefb21 text on a black background
contrast 17.45:1
Card sample
#cefb21 text on a white background
contrast 1.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #cefb21;
Background color
Panel with #cefb21 background
background-color: #cefb21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #cefb21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(206, 251, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(206, 251, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #cefb21; background: linear-gradient(135deg, #cefb21, #3DFB21);