Most of the times the default templates used for apps have very basic color themes: black and white (okay, and some gray). Your app will come more to life if you use a good color theme, matching your content. Question is: which colors are best to use?
Select a color theme
Something I found very handy is the website http://kuler.adobe.com. This website offers a large collection of color themes, where each theme has 5 colors. You can search for a topic to find interesting themes, e.g. ‘vacation’, ‘beach’, etcetera. This is an example of one of the themes: Read more