#647e21
a dark, vivid green · cool · closest name: olivedrab
RGB
100, 126, 33
HSL
77°, 59%, 31%
CMYK
21, 0, 74, 51
Luminance
0.1774
Every format
| HEX | #647e21 |
| RGB | rgb(100, 126, 33) |
| HSL | hsl(77, 59%, 31%) |
| CMYK | cmyk(21%, 0%, 74%, 51%) |
| LAB | lab(49.2 -23.4 44.9) |
| LCH | lch(49.2 50.6 117.5) |
| OKLCH | oklch(0.554 0.121 124.0) |
Copy-ready code
/* CSS */
color: #647e21;
background-color: #647e21;
/* Tailwind (arbitrary) */
class="text-[#647e21] bg-[#647e21]"
/* SCSS */
$brand: #647e21;
/* SwiftUI */
Color(red: 0.392, green: 0.494, blue: 0.129)
/* Android */
Color.parseColor("#647e21")Accessibility — WCAG contrast
Aa
#647e21 on white: 4.62:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#647e21 on black: 4.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green49.4%
Blue12.9%
CMYK percentages
Cyan20.6%
Magenta0.0%
Yellow73.8%
Key (black)50.6%
Color previews
#647e21 text on a black background
contrast 4.55:1
Card sample
#647e21 text on a white background
contrast 4.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #647e21;
Background color
Panel with #647e21 background
background-color: #647e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #647e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 126, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 126, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #647e21; background: linear-gradient(135deg, #647e21, #267E21);