#557b21
a dark, vivid green · cool · closest name: olivedrab
RGB
85, 123, 33
HSL
85°, 58%, 31%
CMYK
31, 0, 73, 52
Luminance
0.1621
Every format
| HEX | #557b21 |
| RGB | rgb(85, 123, 33) |
| HSL | hsl(85, 58%, 31%) |
| CMYK | cmyk(31%, 0%, 73%, 52%) |
| LAB | lab(47.2 -28.2 42.7) |
| LCH | lch(47.2 51.1 123.4) |
| OKLCH | oklch(0.536 0.125 129.8) |
Copy-ready code
/* CSS */
color: #557b21;
background-color: #557b21;
/* Tailwind (arbitrary) */
class="text-[#557b21] bg-[#557b21]"
/* SCSS */
$brand: #557b21;
/* SwiftUI */
Color(red: 0.333, green: 0.482, blue: 0.129)
/* Android */
Color.parseColor("#557b21")Accessibility — WCAG contrast
Aa
#557b21 on white: 4.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#557b21 on black: 4.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green48.2%
Blue12.9%
CMYK percentages
Cyan30.9%
Magenta0.0%
Yellow73.2%
Key (black)51.8%
Color previews
#557b21 text on a black background
contrast 4.24:1
Card sample
#557b21 text on a white background
contrast 4.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #557b21;
Background color
Panel with #557b21 background
background-color: #557b21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #557b21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 123, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 123, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #557b21; background: linear-gradient(135deg, #557b21, #217B29);