#66aa66
a balanced, soft green · cool · closest name: seagreen
RGB
102, 170, 102
HSL
120°, 29%, 53%
CMYK
40, 0, 40, 33
Luminance
0.3253
Every format
| HEX | #66aa66 |
| RGB | rgb(102, 170, 102) |
| HSL | hsl(120, 29%, 53%) |
| CMYK | cmyk(40%, 0%, 40%, 33%) |
| LAB | lab(63.8 -35.7 28.4) |
| LCH | lch(63.8 45.7 141.5) |
| OKLCH | oklch(0.675 0.120 144.1) |
Copy-ready code
/* CSS */
color: #66aa66;
background-color: #66aa66;
/* Tailwind (arbitrary) */
class="text-[#66aa66] bg-[#66aa66]"
/* SCSS */
$brand: #66aa66;
/* SwiftUI */
Color(red: 0.400, green: 0.667, blue: 0.400)
/* Android */
Color.parseColor("#66aa66")Accessibility — WCAG contrast
Aa
#66aa66 on white: 2.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66aa66 on black: 7.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green66.7%
Blue40.0%
CMYK percentages
Cyan40.0%
Magenta0.0%
Yellow40.0%
Key (black)33.3%
Color previews
#66aa66 text on a black background
contrast 7.51:1
Card sample
#66aa66 text on a white background
contrast 2.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66aa66;
Background color
Panel with #66aa66 background
background-color: #66aa66;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66aa66;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 170, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 170, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66aa66; background: linear-gradient(135deg, #66aa66, #66AA93);