First refresh your browser page to make sure current info is displayed.
Color of stars at top of XO (xertonline.com) displays current form while color of arrow in pacer needle is predicted form 24 hours from now.
Planner predicts form into the future.
If you do go red after completing a high intensity activity, form can change to yellow within hours depending how deep into red you went.
Lots of newbie tips in this thread –
Beginner questions - Support - Xert Community Forum (xertonline.com)
Reference –
Training Status and Form – Xert (baronbiosys.com)