#557f21
a dark, vivid green · cool · closest name: olivedrab
RGB
85, 127, 33
HSL
87°, 59%, 31%
CMYK
33, 0, 74, 50
Luminance
0.1722
Every format
| HEX | #557f21 |
| RGB | rgb(85, 127, 33) |
| HSL | hsl(87, 59%, 31%) |
| CMYK | cmyk(33%, 0%, 74%, 50%) |
| LAB | lab(48.5 -30.1 44.0) |
| LCH | lch(48.5 53.3 124.4) |
| OKLCH | oklch(0.546 0.131 130.8) |
Copy-ready code
/* CSS */
color: #557f21;
background-color: #557f21;
/* Tailwind (arbitrary) */
class="text-[#557f21] bg-[#557f21]"
/* SCSS */
$brand: #557f21;
/* SwiftUI */
Color(red: 0.333, green: 0.498, blue: 0.129)
/* Android */
Color.parseColor("#557f21")Accessibility — WCAG contrast
Aa
#557f21 on white: 4.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#557f21 on black: 4.44:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red33.3%
Green49.8%
Blue12.9%
CMYK percentages
Cyan33.1%
Magenta0.0%
Yellow74.0%
Key (black)50.2%
Color previews
#557f21 text on a black background
contrast 4.44:1
Card sample
#557f21 text on a white background
contrast 4.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #557f21;
Background color
Panel with #557f21 background
background-color: #557f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #557f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(85, 127, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(85, 127, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #557f21; background: linear-gradient(135deg, #557f21, #217F2C);