#427d21
a dark, vivid green · cool · closest name: olivedrab
RGB
66, 125, 33
HSL
99°, 58%, 31%
CMYK
47, 0, 74, 51
Luminance
0.1594
Every format
| HEX | #427d21 |
| RGB | rgb(66, 125, 33) |
| HSL | hsl(99, 58%, 31%) |
| CMYK | cmyk(47%, 0%, 74%, 51%) |
| LAB | lab(46.9 -36.2 42.0) |
| LCH | lch(46.9 55.4 130.8) |
| OKLCH | oklch(0.530 0.138 136.6) |
Copy-ready code
/* CSS */
color: #427d21;
background-color: #427d21;
/* Tailwind (arbitrary) */
class="text-[#427d21] bg-[#427d21]"
/* SCSS */
$brand: #427d21;
/* SwiftUI */
Color(red: 0.259, green: 0.490, blue: 0.129)
/* Android */
Color.parseColor("#427d21")Accessibility — WCAG contrast
Aa
#427d21 on white: 5.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#427d21 on black: 4.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green49.0%
Blue12.9%
CMYK percentages
Cyan47.2%
Magenta0.0%
Yellow73.6%
Key (black)51.0%
Color previews
#427d21 text on a black background
contrast 4.19:1
Card sample
#427d21 text on a white background
contrast 5.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #427d21;
Background color
Panel with #427d21 background
background-color: #427d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #427d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 125, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 125, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #427d21; background: linear-gradient(135deg, #427d21, #217D3D);