I have been experiencing similar in 25.2.1 and notice my color setting revert to the default (Emulate Adobe Illustrator 6.0) every time I relaunch Illustrator. Tried deleting my Preference file and resetting preferences but no luck.
More annoying is how I have noticed this. Illustrator randomly crashes after I have saved and closed the document or I have left Illustrator idle for a period of time.
I have been experiencing similar in 25.2.1 and notice my color setting revert to the default (Emulate Adobe Illustrator 6.0) every time I relaunch Illustrator. Tried deleting my Preference file and resetting preferences but no luck.
More annoying is how I have noticed this. Illustrator randomly crashes after I have saved and closed the document or I have left Illustrator idle for a period of time.