Another rule that I hear often is that you should always paint your room last. Again - I don't necessarily think this is bad advice, except for the word "always". Yes, it can be a good idea to select your paint color after everything else. The biggest argument for this "rule" is that paint color choices are infinite, whereas sofas, rugs, and window treatments are only available in a limited color supply. By saving your wall paint selection for the end, you won't be limited by any particular color or colorway. However, this approach to a room's design can lead to color becoming an afterthought. Something that is selected just because it goes with everything else, as opposed to a hue that is consciously vetted for is distinct mood, characteristics and our personal relationship with it.
I actually think it can be a very smart design approach to paint your room first. Before any other major design decisions are made. Not always, but it can be. And here's why:
Five Arguments for Painting Your Room First
If you need help selecting the perfect colors for your space, call me or email me. I can help.