Steps to reproduce:

1. dnf module reset php
2. dnf module install php:8.1
3. open a PNG graph from the Latest data page and observe that the range between min and max is now shaded a very bold green color that matches the average line
4. dnf module reset php
5. dnf downgrade php (back to 8.0.30)
6. open a PNG graph and observe the expected PNG color scheme.

Expected

1. the shaded area between min and max should be the typical gold/yellow color

Running PHP 8.1.27:

Running PHP 8.0.30