Neutral. Let the fireplace and rug grab attention

I would go with a print but not the one shown. Your walls and sofa are solid neutrals and the patterned rug is subtle. Neutral or solid curtains will look blah. The print that you show is too traditional looking for your furnishings.

Will you share where you located the stripe drapes, love that look for your space!

No pattern please........Put the pattern on pillows for couch/chair and buy longevity at the same time.

Personally? I'd have NO panels, as it crowds the fire and spend to upgrade the blinds to a nice natural woven wood shade with privacy liner if you need it.

@jackowskib they are west elm

https://www.westelm.com/products/textured-luxe-stripe-linen-curtain-artic-blue-t6454/?cm_src=curtains-drapes ,

though there's a similar one at Quince

https://www.quince.com/home/coastal-stripe-linen-cotton-curtain?color=ivory/natural&size=48x108&g_network=x&g_productchannel=online&g_adid=&g_acctid=978-058-8398&g_keyword=&g_adtype=pla&g_keywordid=&g_ifcreative=&g_adgroupid=&g_productid=45347965960362&g_merchantid=128669708&g_partition=&g_campaignid=20656732066&g_ifproduct=product&g_campaign=&utm_source=google&utm_medium=paid_search&utm_campaign=&utm_term=45347965960362&gad_source=1&gclid=CjwKCAjwtqmwBhBVEiwAL-WAYYQfCaLLlVWfGBd4sfy5XIoO-x8EDnqorRHr2PBh6OZWbaUqNHZk-RoCE3wQAvD_BwE

Or even Amazon

https://www.amazon.com/gp/aw/d/B0BX5PHL94?ref=ppx_pt2_mob_b_prod_image

I like a simple drapenice and full no pattern I like drapes to be at least 2.5 x the width of the rod and if sheer even fuller .I find the rug kindof blah maybe one with a bit bolder print then choose a color from that for the drapes but I would not do red drapes in taht space . BTW a nice solar shade to allow you to keep the view is a nice mix with drapes for nightime privacy.

Were you planning on adding to both windows (is there another window also?). One window is too close to fireplace and with the second being so close to corner, I think it could make that side of the wall feel off. Have you considered nicer blinds and given the feel of your room, suggest a natural, warm look.

Add large art on that wall to off set window, complementary cushions, and move navy ottoman under window next to fireplace so side table can be closer to chair.

Consider the best options for the room as a whole, vs just a curtain decision and decide on paint color last.

You could try some Roman shades or plain curtains. Below are some visuals to help you a little more with your current dilemma.

Earthy Mountain Modern · More Info

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It looks like you could easily do a neutral curtain or even do a neutral Roman shade. Have you considered a Roman shade at all or are you wanting curtains?

Urbanology Cottage · More Info

Midway Hollow · More Info