1. Open your “My Ebay” page and click on the “Manage My Store” link under the 'My Subscriptions' section.
2. Click the “Display Settings” link under the 'Store Design' section.
3. Click the “Change” link at the top right of the page. On the Theme and Display page click the “Edit current theme” link in the top right corner of the page.
4. Select the Primary color, Secondary color and Accent color from their respective palettes. You can also add a specific hex color in the box labeled “#” by each of the color categories. If you do not know what a specific hex color is, you can find it in a hex color chart. The Resource section of this article has a link to a common hex color chart for your convenience.
5. Click the “Save Settings” button.