Use the colour wheel as the basis for a single colourfull illuration that could be tessellated across the wrapping paper? color theory chart - beautifully simply way to learn this (plus the fact that I suck at combining colors LOL!
Good colors for living room. Nature-made color - "color streak". I would "streak" with a different hue, probably, and have done so in my home with a softer terra cotta than the orange-rust here in the living room and kitchen.