Hi bobby.hill,
For different colors: Go tho the Preferences> Scheme Colors> Editor Colors, etc. (e.g., Edge)
Also, in the preference, please check out the Viewport settings. (As usual, I do not answer from memory and check anything I share here, the point size works, for my set up the line size not at all. (I have to file a report.)
If you call up a new object that can be changed in color, Attribute Manager> Mode> Project> Default Object Color.
What I do more often than not, is to set the Object Editor Color to something different. Object selected, Attribute Manager> Basic> Display Color.
I hope that helps. Let me know if there is anything else, I’m happy to look into it.
Don’t forget that some settings are only stored if you use: Window> Customization> Save as Default Scene. Or Save as Start-Up Layout.
My best wishes.