Hongo provides an antithetical and professional experience to select attributes for variation products. Hongo provides an option of the product variation, select options fields into radio images, colours, and labels. It means with the help of Hongo theme, you can show product variation items in different images, colours, and label.
Refer below link for basic information regarding how attributes works.
You can see your color or image from configuration attribute will see in single product setup.
If you want to change setting for variation default (select) to “boxed variation swatch” go to Customizer > WooCommerce > Product Single > Variation swatch style > Select variation “Boxed”.