Hello Everyone,
I want to know about custom appearance, i am allow user to choose theme in the application so to achieve this functionality enable Enable End Users to choose Theme Style in user interfaces and create navgition bar button and call url #CUSTOMIZE_URL#. then all themes will show and user can select multiple theme as you can see below image:

So the problem is i don't want to show all themes, i want only Redwood Light and vita theme will be show to users.
How can i acheive this ? anyone?
I am using apex 21.1.
any suggestions.