[1] http://www.mattmazur.com/2012/02/ab-testing-a-light-vs-dark-...
A toggle option to change the color scheme (since they convert about the same) would be really cool.
That said, it's your project - do what you want with it! Keep up the good work.
[1] http://www.mattmazur.com/2012/02/ab-testing-a-light-vs-dark-...