The main issue is that each editor has their own set of theme options, which are all shared, in that these options apply to each editor but are set independent. Of the 17 editors, each has the same 17 standard color settings, a total of 289 - it could be 17. For example,
Unique theme needs per editor should be the exception, not the rule.
Consolidate all common editor options into a single, generic set. This includes: Theme Space Settings and Theme Panel Color primarily.
The best place for these to go is probably the User Interface category.