In last week, Introducing themed ads in Custom Search–sounds interesting. Now, in your accounts Google Custom Search accounts, from the left navigation clicking to Look and feel, you will see predefined or read-made colored theme–within a click you can select any of theme for your website which may fit with your websites color. Web usability is important issue, so understanding websites color, customizing Google Custom Search giving pain now users getting options to customize the theme inside custom search account.

“We’re taking themes one step further. Each theme now has ads displayed with a look and feel that match the overall style used for the search results.

The result is harmony between search results and ads, which we think makes for a great user experience. The following screen shots show search results and ads for three different themes: espresso, minimalist and green sky. — says official google custom search blog”

Alternatively, you can customize the entire looks by changing the fonts, colors, background colors, promotional ads colors, results page colors and search controls too. It’s depends how will fit with your websites and it’s now better as because requires less knowledge about CSS coding, better to using the color selection is much easier for the user.

Introducing Themed Ads in Custom Search [Via Inside Google Adsense]