Google is testing using different lightly colored backgrounds for the shopping ads carousel in mobile search. We saw Google testing lighter variations of this almost a year ago, some with gray shades and some with slightly colored shades. Now we are seeing Google test this with more bold colors.
This was spotted a couple of times by Khushal Bherwani who posted some videos and screenshots on Twitter – here is a GIF of it in action:
Here is a static image (click to enlarge the image):
Here is what we covered about a year ago:
Bing also tested colored sitelinks not terribly long ago.
I am not sure I like it, but hey, Google always be testing…
Here is another more subtle variation:
Forum discussion at Twitter.