Hash mark missing from `color.hex` passed to `onChange` handler
![image](https://cloud.githubusercontent.com/assets/1448194/10519261/ab1620e4-732a-11e5-8f61-916a77bec539.png)

``` jsx
    let colorPicker = <div>
      <Button onClick={ this.onColorClick } style={{backgroundColor: color}}/>
      <ColorPicker display={ displayColorPicker } type="swatches" onChange={this.onColorChange}/>
    </div>;
```
