Many people think Contrasting your Ads will make them look ugly and decrease your Click Though Rate (CTR) , yes this is true in most cases. But it totaly depends on your audience. If they are tech savvy, Blending might be the best option. Contrasting does make the Ads stand out a lot more.

To Contrast, choose colors that stand out against the background of your site. Contrasting is recommended only for sites with dark background, so we suggest using a palette with white background, white borders, and blue titles.

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