Hello,
Thank you for contacting Rank Math today.
The color shown is orange with a tick which means there is at least a media file attached to the post. In a case where there is completely none detected, it would show a red X
as shown below:
For it to turn green, you can add another image on your post content and if possible use one with focus keyword in its alt text attribute.
Looking forward to helping you. Thank you.
Hello,
We are super happy that this resolved your issue. If you have any other questions in the future, know that we are here to help you.
If you don’t mind me asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/#new-post about your overall experience with Rank Math? We appreciate your time and patience.
If you do have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.