It’s time to make Swatches within a product component. To allow a swatch of color in the product you want.

• Please navigate to Products → All Products → Add New/edit.
• Let’s go to Attribute, section click on the Custom Product Attribute dropdown. In this drop-down choose the attribute that you have been created earlier that is a global attribute.
  
• Select the attribute and click on the Add button.
• Click on Select All button to select all variations of the image attribute or Click on Select None button to deselect all variations. Please, make sure each variation set price otherwise it will not display in the front end.