Add color preview

README.md

@@ -4,24 +4,49 @@ Fast, handcraft, pure JavaScript badge generator.
 
 ## Usage
 
-### Micro Service
+### Badge Service
 
 `https://badgen.now.sh/badge/:subject/:status/:color`
 
 - `subject` Text
 - `status` Text
-- `color` RGB color (default '3C1')
+- `color` Color RGB (default '3C1') or Color Preset (`green`, `yellow`, ...see below)
+
+Color Presets:
+
+![](https://badgen.now.sh/badge/color/green/green)
+![](https://badgen.now.sh/badge/color/yellow/yellow)
+![](https://badgen.now.sh/badge/color/orange/orange)
+![](https://badgen.now.sh/badge/color/red/red)
+![](https://badgen.now.sh/badge/color/pink/pink)
+![](https://badgen.now.sh/badge/color/purple/purple)
+![](https://badgen.now.sh/badge/color/blue/blue)
+![](https://badgen.now.sh/badge/color/grey/grey)
+![](https://badgen.now.sh/badge/color/black/black)
+
+Examples:
 
-Examples:  
 | Preview | URL |
 | --- | --- |
 |![](https://badgen.now.sh/badge/build/passing) | https://badgen.now.sh/badge/build/passing |
 |![](https://badgen.now.sh/badge/style/standard/f2a) | https://badgen.now.sh/badge/style/standard/f2a |
-|![](https://badgen.now.sh/badge/license/Apache-2.0/07C) | https://badgen.now.sh/badge/license/Apache-2.0/07C |
+|![](https://badgen.now.sh/badge/license/Apache-2.0/blue) | https://badgen.now.sh/badge/license/Apache-2.0/blue |
+|![](https://badgen.now.sh/badge/platform/ios%20%7C%20osx%20%7C%20tvos%20%7C%20watchos/grey) | https://badgen.now.sh/badge/platform/ios%20%7C%20osx%20%7C%20tvos%20%7C%20watchos/grey |
 
-### As npm package
 
-```npm install badgen```
+### Programmatically
+
+`npm install badgen`
+
+```javascript
+const badgen = require('badgen')
+
+const svgString = badgen({
+  subject: 'npm',
+  status: 'v1.2.3',
+  color: 'blue'
+})
+```
 
 ## License