#66f038
a balanced, electric green · cool · closest name: lime
RGB
102, 240, 56
HSL
105°, 86%, 58%
CMYK
58, 0, 77, 6
Luminance
0.6543
Every format
| HEX | #66f038 |
| RGB | rgb(102, 240, 56) |
| HSL | hsl(105, 86%, 58%) |
| CMYK | cmyk(58%, 0%, 77%, 6%) |
| LAB | lab(84.7 -67.8 71.7) |
| LCH | lch(84.7 98.7 133.4) |
| OKLCH | oklch(0.846 0.246 139.4) |
Copy-ready code
/* CSS */
color: #66f038;
background-color: #66f038;
/* Tailwind (arbitrary) */
class="text-[#66f038] bg-[#66f038]"
/* SCSS */
$brand: #66f038;
/* SwiftUI */
Color(red: 0.400, green: 0.941, blue: 0.220)
/* Android */
Color.parseColor("#66f038")Accessibility — WCAG contrast
Aa
#66f038 on white: 1.49:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66f038 on black: 14.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green94.1%
Blue22.0%
CMYK percentages
Cyan57.5%
Magenta0.0%
Yellow76.7%
Key (black)5.9%
Color previews
#66f038 text on a black background
contrast 14.09:1
Card sample
#66f038 text on a white background
contrast 1.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66f038;
Background color
Panel with #66f038 background
background-color: #66f038;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66f038;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 240, 56, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 240, 56, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66f038; background: linear-gradient(135deg, #66f038, #38F085);