#638921
a dark, vivid green · cool · closest name: olivedrab
RGB
99, 137, 33
HSL
82°, 61%, 33%
CMYK
28, 0, 76, 46
Luminance
0.2065
Every format
| HEX | #638921 |
| RGB | rgb(99, 137, 33) |
| HSL | hsl(82, 61%, 33%) |
| CMYK | cmyk(28%, 0%, 76%, 46%) |
| LAB | lab(52.6 -29.2 48.2) |
| LCH | lch(52.6 56.4 121.2) |
| OKLCH | oklch(0.581 0.136 127.9) |
Copy-ready code
/* CSS */
color: #638921;
background-color: #638921;
/* Tailwind (arbitrary) */
class="text-[#638921] bg-[#638921]"
/* SCSS */
$brand: #638921;
/* SwiftUI */
Color(red: 0.388, green: 0.537, blue: 0.129)
/* Android */
Color.parseColor("#638921")Accessibility — WCAG contrast
Aa
#638921 on white: 4.09:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#638921 on black: 5.13:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green53.7%
Blue12.9%
CMYK percentages
Cyan27.7%
Magenta0.0%
Yellow75.9%
Key (black)46.3%
Color previews
#638921 text on a black background
contrast 5.13:1
Card sample
#638921 text on a white background
contrast 4.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #638921;
Background color
Panel with #638921 background
background-color: #638921;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #638921;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 137, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 137, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #638921; background: linear-gradient(135deg, #638921, #218924);