Do certain colors make a customer more comfortable with buying from your site?

I recently came across a site which said that color scheme used in site matters alot... Any web designer has merely 30 seconds to attract user's attention and convince him to click ADD TO CART (for example) button.

The scheme of color is not only true for web sites but any advertising media. Different colors have different meanings and associations. They engage your visitors emotions, silently and powerfully. It said, nearly every 12th user visiting a website is colorblind (may be problem with distinguishing some colors). Its a good choice to not to use a combination of Red and Green.

Read More here and here