My suggestion is that silver color for windows would be perfect because bricks are already dark. If you choose black then it will show same colour overall and also may look less appealing. I also like a bronze color windows with this color brick wall.

I would like to suggest you light colour blinds if your floor carpet is dark. It will definitely look nice.

White is best for external because white colour restrict (reflect) the sunlight which from entering the light into room. This may helpful you as per your logic. Also, why not you take help from any local window covering experts. Definitely he/she will give you better suggestion after your research a...