Google Image Search launches colored filter buttons
After testing various combinations, Google has launched new filter buttons in the image search results.
Earlier, Google tested adding filter buttons in various colors in image search, and now, Google has launched it to all searchers.
If you go to Google Image Search and search for any query, you should see a carousel of colored buttons across the top of the search results page. Clicking on those buttons will filter the images by your selection. The filters can be colors, can be categories and so on.
Here is a sample:
I believe this is fully rolled out in the US.