#81bc21
a dark, vivid green · cool · closest name: olivedrab
RGB
129, 188, 33
HSL
83°, 70%, 43%
CMYK
31, 0, 82, 26
Luminance
0.4074
Every format
| HEX | #81bc21 |
| RGB | rgb(129, 188, 33) |
| HSL | hsl(83, 70%, 43%) |
| CMYK | cmyk(31%, 0%, 82%, 26%) |
| LAB | lab(70.0 -40.7 65.0) |
| LCH | lch(70.0 76.7 122.1) |
| OKLCH | oklch(0.728 0.184 129.4) |
Copy-ready code
/* CSS */
color: #81bc21;
background-color: #81bc21;
/* Tailwind (arbitrary) */
class="text-[#81bc21] bg-[#81bc21]"
/* SCSS */
$brand: #81bc21;
/* SwiftUI */
Color(red: 0.506, green: 0.737, blue: 0.129)
/* Android */
Color.parseColor("#81bc21")Accessibility — WCAG contrast
Aa
#81bc21 on white: 2.30:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#81bc21 on black: 9.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red50.6%
Green73.7%
Blue12.9%
CMYK percentages
Cyan31.4%
Magenta0.0%
Yellow82.4%
Key (black)26.3%
Color previews
#81bc21 text on a black background
contrast 9.15:1
Card sample
#81bc21 text on a white background
contrast 2.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #81bc21;
Background color
Panel with #81bc21 background
background-color: #81bc21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #81bc21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(129, 188, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(129, 188, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #81bc21; background: linear-gradient(135deg, #81bc21, #21BC28);