The theme of the magazine viewer can be customized in the following way:
Note: It is assumed that you are in My Magazines.
Step1. Select the magazine you wish and click the Edit Settings button.
Step2. Go to the VIEWER tab and pick a premade theme for your magazine or create a new one. For creating a new theme click the Create Theme link.
Step3. Pick the colors you wish to change and click the SAVE button.