#66ce21
a balanced, vivid green · cool · closest name: green
RGB
102, 206, 33
HSL
96°, 72%, 47%
CMYK
51, 0, 84, 19
Luminance
0.4708
Every format
| HEX | #66ce21 |
| RGB | rgb(102, 206, 33) |
| HSL | hsl(96, 72%, 47%) |
| CMYK | cmyk(51%, 0%, 84%, 19%) |
| LAB | lab(74.2 -57.0 68.3) |
| LCH | lch(74.2 88.9 129.8) |
| OKLCH | oklch(0.759 0.218 136.7) |
Copy-ready code
/* CSS */
color: #66ce21;
background-color: #66ce21;
/* Tailwind (arbitrary) */
class="text-[#66ce21] bg-[#66ce21]"
/* SCSS */
$brand: #66ce21;
/* SwiftUI */
Color(red: 0.400, green: 0.808, blue: 0.129)
/* Android */
Color.parseColor("#66ce21")Accessibility — WCAG contrast
Aa
#66ce21 on white: 2.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66ce21 on black: 10.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green80.8%
Blue12.9%
CMYK percentages
Cyan50.5%
Magenta0.0%
Yellow84.0%
Key (black)19.2%
Color previews
#66ce21 text on a black background
contrast 10.42:1
Card sample
#66ce21 text on a white background
contrast 2.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66ce21;
Background color
Panel with #66ce21 background
background-color: #66ce21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66ce21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 206, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 206, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66ce21; background: linear-gradient(135deg, #66ce21, #21CE4F);