Get into the habit of naming colors with two words. For example if you are using “gray” as a tag, or in a title, description, filename, collection name, wherever, call it “silver gray” instead. The you are not only going to get hits on the word “gray” but also on the word “silver ” and on the phrase “silver gray”. There are lots of grays, which one is yours? Charcoal gray? English grey? Tell us.