Add utility lib to help with color conversions
user
```coffeescript
App.Utils =
	hexToRgb: (hex) ->
		result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec hex;
		if result
			r: parseInt(result[1], 16),
			g: parseInt(result[2], 16),
			b: parseInt(result[3], 16)
		else
			null
```
assistant