Dracaena (Dracaena marginata 'Ray of Sunshine') will color your world with bright yellow stripes of joy running down his slender leaves. He looks like a tree of sorts and has the leaf shape of a palm, but he is. Give him your best seat in the house and raise the shades so he can get some indirect, bright light to match his colored leaves. He'll top out at 6-10 feet tall, so give him plenty of headspace.