#638e21
a dark, vivid green · cool · closest name: olivedrab
RGB
99, 142, 33
HSL
84°, 62%, 34%
CMYK
30, 0, 77, 44
Luminance
0.2211
Every format
| HEX | #638e21 |
| RGB | rgb(99, 142, 33) |
| HSL | hsl(84, 62%, 34%) |
| CMYK | cmyk(30%, 0%, 77%, 44%) |
| LAB | lab(54.1 -31.6 49.7) |
| LCH | lch(54.1 58.9 122.4) |
| OKLCH | oklch(0.594 0.143 129.2) |
Copy-ready code
/* CSS */
color: #638e21;
background-color: #638e21;
/* Tailwind (arbitrary) */
class="text-[#638e21] bg-[#638e21]"
/* SCSS */
$brand: #638e21;
/* SwiftUI */
Color(red: 0.388, green: 0.557, blue: 0.129)
/* Android */
Color.parseColor("#638e21")Accessibility — WCAG contrast
Aa
#638e21 on white: 3.87:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#638e21 on black: 5.42:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green55.7%
Blue12.9%
CMYK percentages
Cyan30.3%
Magenta0.0%
Yellow76.8%
Key (black)44.3%
Color previews
#638e21 text on a black background
contrast 5.42:1
Card sample
#638e21 text on a white background
contrast 3.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #638e21;
Background color
Panel with #638e21 background
background-color: #638e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #638e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 142, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 142, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #638e21; background: linear-gradient(135deg, #638e21, #218E28);