For Success on Pinterest, Choose Your Colors Well Researchers say red, pink, and purple get repinned the most By John Johnson, Newser Staff Posted Feb 27, 2015 2:15 PM CST 4 comments Comments Colors matter on Pinterest, say researchers. (AP Photo/Pinterest) (Newser) – When it comes to Pinterest, colors matter. Researchers analyzed about 1 million posts on the site and found that images heavy on red, pink, or purple were repinned the most, reports Phys.org. By contrast, those with black, yellow, green, or blue fared the worst, according to the study in PloS One. Because the vast majority of Pinterest users are women, Biz Report suggests that advertisers should pay close attention to the results. Next up might be studies of other sharing sites such as Instagram and Flickr to see if the same holds true.