If you want colour a different coloured rug would work eg Aqua tones. But for black and white tones the rug you have is great. The pattern draws you eye and adds to the room

If I were you I'd consider a rug that has the neutral tones but also something that has a bit of colour that you can use for inspiration to then pull out for cushions. Remember browns can be cool (blue/grey) or warm (orangier). It looks from the picture that the browns in the pic are warmer so i would go orange/magenta. Keeping in mind I know nothing about your style or colour preferences, I put together this visual to give you an example of how you could work it by pulling out colours from the rug, using texture for interest and mimicking the circles in the picture to bring it together. You may also be interested in reading a blog I wrote a while ago about how to pick a colour theme that works.

Indeed - you have a wonderful blank, contemporary canvas there Olivia! We'd whole heartedly agree that you start with an artwork that you love and use that to guide the colour scheme / the other accent pieces such as rugs and cushions. You might like to start here for some inspiration: https://www.signarture.com.au/pages/interior-design-and-decorating-ideas. And you needn't go for colour impact if that's not you: these treescapes of ours were used to augment the client's tonally neutral palette. Do reach out if anything in our collections resonates with you.

The only real problem here is that your jewel accent colours are floating in a sea of greige. It needs a bridging accessory to tie the different colours into that neutral background which is swamping it. Put a russet throw on that couch and watch it suddenly morph into a harmonious scheme. You have to balance not just the scheme but the weight of the colours too. The weight is determined by volume as well as hue. This is a pale grey living room (walls, couch & carpet) with dark/bright accents. They made those accents work by putting an enormous navy rug in there to tie it all in. The colour intensity difference is fine because of the way it's balanced by volume. At the moment your couch, walls, artwork and carpet are all the same colour, just at different levels of intensity. There is no contrast in that room. You suddenly throw three tiny cushions in there and they can't balance out the miles of greige. A throw or rug in same orange as that floral cushion is needed to put more weight into the accent colours by upping the volume of it. The killjoy in your bedroom are the magnolia walls. You need to increase the intensity of the walls. So either go a much darker shade of magnolia (khaki Taubmans), or some other mid tone colour. People get really scared of intense colour on walls, why I have no idea. Especially in a bedroom, where you want it to feel cosy, a mid tone colour can really work to create mood. You only spend night time in a bedroom and go there to sleep. A darker room colour is perfect for that. You don't need to spend hours a day in there and you want a colour that pacifies and induces rest. In your particular bedroom I would choose either Wet Lichen or Silver Willow (Taubmans) for your walls. They are grey greens in mid tone that will harmonise both with the deep bottle green and the wood colour of your furniture. Don't be afraid of how dark they appear. Wood furniture has a habit of swallowing colour. You will find the furnished room will not look half as dark as you expect. Your bottle green bed throw actually contains a prussian blue base which lends it a more natural and greyish cast. I would also change out your lamps for something quite dark, like a chocolate to complete the look.