A less bland color on the wall that didn't clash with the tile would help a lot. What is that drapery doing to the right of the door? You need a small table there, with some art or a mirror. You might be able to use the art for your wall color. Then, add something besides boot mats on the floor. If you are keeping the tile, you might consider a blue or green shade as a change of pace. Otherwise, start with the replacement floor, and take your paint color cues from that.

Can you take some more pictures? What's behind the curtain? Your table and curtains on the window look traditional. Is that your style?

My professional opinion is: Hire a professional if it's urgent. It appears by your post that this entrance is not the only thing you need to 'spruce' up and a professional would get it done way faster than waiting here for responses from people with various ideas and very broad ones at that.