How can I make the camera safe zone lines easier to see? How can I change the safe zone dotted line colors or transparency to make it easier to read?
I added a picture showing my issue and an image from the blender manual showing what am I hoping to see.
maybe if somebody knows the correct name of those dotted lines can be easier for me to find in the interface.
Preferences → Themes → 3D Viewport → View Overlay.
You can't make in darker, but it can be lighter and easy to see: