I'd suggest you have a look through the photos section on Houzz - or there's quite a few good articles on how to decorate :) maybe both you & your wife could save pictures to an ideabook with a few words on what it is you like about each one, and it'll give you more of an idea of what type of things you like? I think colour-wise, turquoise and peach can go together really well - maybe a warm cream colour on the walls & pops of turquoise and peach in the form of throw cushions etc.? Again, just searching on Houzz can give you some great ideas - just literally searching 'turquoise and peach' brings up quite a lot of pictures :) to get you started I've just picked out a few which I personally think work well :)

Here are some photos that may help you. You have the ceiling height to have a nice heavy rod just above the top of you window that could run the ceiling width. That will give you the space to draw curtains back to expose the entire window. I highly suggest that you work with a designer. A good designer has access to literally thousands of fabric choices and will be able to help you in selecting the perfect fabric and design for your room.

Lighting plays a huge part in adding depth and warmth to a bedroom. I see that you have a light point just above your bed. Without too much expense you can create panelling up to the ceiling , run the wires behind it, and maybe and add a simple false ceiling along the length of that wall to install recessed lighting. A skilled carpenter can modify the head board and create a dramatic taller tufted headboard within the panelling Another option would be to paint the wall behind the bed and add a simple shelf above. Some recessed lights can be added to light up paintings on the wall just above the bed. The homeowners of the bedroom shown here already had a bed which they did not want to dispose of or modify. So all we did was to add painted pinewood box panelling up to 4 feet height, add a shallow display shelf on it, and add a simple shelf above with recessed lights

Hey Himani, Tieing a room together is not a matter of one item that has all the elements. At present, your room looks well put together. when we are trying to pull a room together, the trick is to use different elements (such as pillow, showpieces, plants, rugs curtains, table lamps etc) which have those elements repeated. For example, the colour and texture of the wallpaper could be repeated on the opposite side with art. The bed and the wardrobes look like a perfect match. The headboard fabric Colour can be brought with a rug or some showpieces. I hope this helps! Please do share the pictures of the finished room! Would love to see how it turned out. Best Miloni