Jun 22
30
Google is using a gray shaded background color for some of the results within the Google Shopping Ads carousel. I was able to replicate this, where for some images, Google thinks a light gray background works better than a white background. This is not tiled, where every other result is shaded, it is based on some other algorithm, maybe the color of the photo of the product
See the article here:
Google Shopping Ads Carousel With Shaded Backgrounds