Here’s a different example from Cote De Texas which places a mirror above a rustic dresser in between the two beds with a pyramid-like shape of wall art hung above each.
Adding green to the bedroom is easy if you already have a muted color scheme going in the room. It is a color that works beautifully with the likes of white gray and even brown. While the yellowy-greens add warmth to the bedroom the blue-tinged variants bring a touch of coolness along with a vibrant ambiance. Here is a pick of that incorporate green in a gorgeous fashion –
Or instead of building the unit around the bed just pick up a couple of bookshelf units from IKEA and place your bed directly in front of them like this gorgeous example featured on Brit + Co which has a very strong library feel to it.
Depending on how small or oddly shaped the room is you may find that positioning twin beds side by side just doesn’t work. Here’s a room from Brit.co that solves that problem and gains extra storage from it too!