It's possible to load the parameters into a table / variables and use them in the app objects.
Next, just use an expression to define the colors, I used:
You could do something like the apps i attached (for Sense and View).
Hi Felip, Taj,
First of all, thanks a lot for your feedbacks and helps,
look at this extension: http://branch.qlik.com/#!/project/5703a1a86600bc2574ede248
i founded in this file of extension the csv-format, and on the base of these cvs-formats it is possible to define corporate look, i founded that very interesting. i hope that can help you as well.
Thanks a lot