It is very simple:

1- Select a view: In the Gold version there are 5 views ( Basic, Car, Clothes, Contact Lenses and Makeup ), While in the Pro version you will find 3 Views ( Basic, Map and Website ).

2- Select the color which represents a part of the view, In many views you will be able to change the background color and 4 different parts of that view. Once you click on the color box, The color palette will appear.

3- Try any color by selecting it from the color palette.