You need to go to Theme settings -> Collections Page -> Enable "Shop Filters"
Go to Sections -> Filter Sections
There are 2 filter way settings
Admin> Go to Product Settings> Add tags for product
Then, back to Customize -> Add tag variant to "Shop by tags list" and make sure you completely disable "Use auto filter groups?" option
First, Admin> Go to Product Settings> Add tags for product as this syntax: "color_Name Color" or "color-Name color" or "color Name color"
+ Then, back to the Customize tick on "Use auto filter groups?"