Is it really raised like the sketch or low? If raised more than 24" (in many locales), two wires won't meet code.

Prefer either the gray or the color left of the gray for decking.

If at all possible, keep the deck one level.

Decide on your deck color before deciding on any color for the art frames.

Is a rectangle the only option for shape? Could you wrap your deck around a corner so you have sun/shade option?

If the frames are raw wood I would stain...not paint ...the frames

Just curious ..the deck looks good in the picture...why are you replacing?

What are the floors inside the house? BTW do not put a rug under a table outdoors it makes moving the chairs almost impossible leave the rug where the seating area is.

following

Black is very difficult to see at night --unless you plan on having it illuminated. It could be a worse tripping hazard.

Also check out Modinex Decorative privacy panels--Home depot sells them for less than ANYONE, but getting them takes a few weeks.