Please correct your forum profile, then. It’s misleading.
To edit the material in SketchUp Shop, go to the In Model materials and select the material thumbnail in the collection. Immediately to the right of the material at the top of the panel click on the edit button (with the pencil).
You’ll see the following panel open. Click on the red square to the right of Colorize.
Adjust the color as desired. Then click on Done at the bottom of the panel.
