Help needed with this wallpaper

[Elasticatedwaist]

My thoughts were that I wanted my living room to be cosy / cottagey so I was going for Wallpaper. I also wanted patterned curtains and colourful cushions etc as my floor is wood and sofa brown. Now I can’t seem to make anything work. Any curtain fabric I’ve found just doesn’t seem right.
can any clever people suggest anything ? I think I’ve done too much overthinking with this now !
likely going to paint the fire surround but can’t change sofa.
pic of the paper and the room.

The paper is this https://www.janeclayton.co.uk/cole-son-victorian-star-wallpaper-ivory-100-7035/?gad=1&gclid=EAIaIQobChMI3sytjZfagAMVWdXtCh3ujQOnEAMYASAAEgIqavD_BwE

Anything sage. William Morris is of a similar period, and would complement a simple design with something slightly bolder. His willow design really goes with everything and below it's in sage:
https://www.justfabrics.co.uk/curtain-fabric-upholstery/soft-green-morris-fabric/?gclid=Cj0KCQjwrfymBhCTARIsADXTabnQcMIQcOxWp50Z6PXNpF0mpUofoHSStJNUq5L7udGF3-kn0nhxzZMaAsbzEALw_wcB

I've made a mistake with my curtains, so might not be the right one to ask, but id go with a fairly strong pattern on the curtains, and sage paint either the chimney or the alcoves.

What do you think to these?
https://www.dunelm.com/product/arboretum-lilypad-eyelet-curtains-1000201536?defaultSkuId=30769667&ds_c=Curtains_Eyelet-SmartShopping_%5BGOO-PLA-CURTAINS-EYELET%5D&gclid=Cj0KCQjwrfymBhCTARIsADXTabm1PP72yTXIT6L9ubs_Nxn9v_-b2sjj1ay_czu5Mk7UqCNQII1pp-waAj9jEALw_wcB&gclsrc=aw.ds

Have you already bought the wallpaper? I struggle to see what colour it is. First I thought the stars were sage, but now think it's beige. Neutral wallpapers are rather surprisingly tricky to work with. You either pick a beige/creame for your fabrics for a coherent but a bit blah look, or you choose a colour that looks a bit disconnected in the end. The easiest way is to choose a wallpaper with at least 1 'proper' colour, and then you can match that colour to fabrics - either choosing the same colour, the same colour in a different tone (lighter, darker), or a complementary colour.

I would paint the wall with the chimney and alcoves , a sage green such as F&B Pigeon or similar.
I would then have the wallpaper on the 3 other walls and have a sagey coloured velvet curtain to make it cosy.

And maybe a picture rail?

Are there any inspiration looks you’ve found? For a cosy cottagey field maybe you need to go much bolder with the wallpaper choice - the one you’ve chosen is pretty but very subtle and it’s still leaving you a lot of work to do decor-wise.

Thankyou some good ideas 🙂the wallpaper is cream with slightly darker stars and I also have samples of it in stone and grey with white stars.
I was worried about putting something all over that was going to look too much but then it doesn’t seem enough for the chimney breast. I was trying to do something different than a feature wall which is what I had before but have ended up tying myself in knots and driving. Myself mad with it 😂
it’s a good problem to have though I’m not really complaining.