#427e21
a dark, vivid green · cool · closest name: olivedrab
RGB
66, 126, 33
HSL
99°, 59%, 31%
CMYK
48, 0, 74, 51
Luminance
0.1619
Every format
| HEX | #427e21 |
| RGB | rgb(66, 126, 33) |
| HSL | hsl(99, 59%, 31%) |
| CMYK | cmyk(48%, 0%, 74%, 51%) |
| LAB | lab(47.2 -36.6 42.3) |
| LCH | lch(47.2 56.0 130.9) |
| OKLCH | oklch(0.533 0.140 136.7) |
Copy-ready code
/* CSS */
color: #427e21;
background-color: #427e21;
/* Tailwind (arbitrary) */
class="text-[#427e21] bg-[#427e21]"
/* SCSS */
$brand: #427e21;
/* SwiftUI */
Color(red: 0.259, green: 0.494, blue: 0.129)
/* Android */
Color.parseColor("#427e21")Accessibility — WCAG contrast
Aa
#427e21 on white: 4.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#427e21 on black: 4.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green49.4%
Blue12.9%
CMYK percentages
Cyan47.6%
Magenta0.0%
Yellow73.8%
Key (black)50.6%
Color previews
#427e21 text on a black background
contrast 4.24:1
Card sample
#427e21 text on a white background
contrast 4.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #427e21;
Background color
Panel with #427e21 background
background-color: #427e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #427e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 126, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 126, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #427e21; background: linear-gradient(135deg, #427e21, #217E3E);