Hello Yogesh,
We believe the issue you are experiencing is due to not selecting the “color” attribute under Dashboard > Product > Attributes > Configure Terms.
To resolve this, please select the color attribute as per your requirements and save the settings. After doing so, please clear your browser cache and check back on your site. For a better reference, please see the attached image. https://nimb.ws/t7mOL4 , https://postimg.cc/gXQVVHx4 , https://postimg.cc/XZZXfS9S
Best Regards,
8Theme’s Team