Try the set as is once you are finished with construction. It may look beautiful as punctuation for the lighter colors. Use black framed art.

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Perhaps strip table and stain lighter and chairs can remain black or paint white. A black chandelier would be complimentary for either.

Assume you have painted the alcove, it will be eye catching! Could even add imitation grasscloth behind

Then look for a fabric that matches wall color for Roman blinds.