```jsx
<div>
  <div className="flex gap-4">
    <Radio name="demo1"  />
    <Radio name="demo1" defaultChecked />
  </div>
  <div className="flex gap-4">
    <Radio color="blue" name="demo2"  />
    <Radio color="blue" name="demo2" defaultChecked />
  </div>
</div>
```
