#669d21
a dark, vivid green · cool · closest name: olivedrab
RGB
102, 157, 33
HSL
87°, 65%, 37%
CMYK
35, 0, 79, 38
Luminance
0.2705
Every format
| HEX | #669d21 |
| RGB | rgb(102, 157, 33) |
| HSL | hsl(87, 65%, 37%) |
| CMYK | cmyk(35%, 0%, 79%, 38%) |
| LAB | lab(59.0 -37.2 54.4) |
| LCH | lch(59.0 65.9 124.4) |
| OKLCH | oklch(0.634 0.160 131.3) |
Copy-ready code
/* CSS */
color: #669d21;
background-color: #669d21;
/* Tailwind (arbitrary) */
class="text-[#669d21] bg-[#669d21]"
/* SCSS */
$brand: #669d21;
/* SwiftUI */
Color(red: 0.400, green: 0.616, blue: 0.129)
/* Android */
Color.parseColor("#669d21")Accessibility — WCAG contrast
Aa
#669d21 on white: 3.28:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#669d21 on black: 6.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green61.6%
Blue12.9%
CMYK percentages
Cyan35.0%
Magenta0.0%
Yellow79.0%
Key (black)38.4%
Color previews
#669d21 text on a black background
contrast 6.41:1
Card sample
#669d21 text on a white background
contrast 3.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #669d21;
Background color
Panel with #669d21 background
background-color: #669d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #669d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 157, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 157, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #669d21; background: linear-gradient(135deg, #669d21, #219D2F);