One of the primal rules of 'how to create a zen room' is to choose earthy colours. Soft tones automatically have a soothing effect on the senses and will make you feel happy. Bringing for a chromatic harmony is essential and of utmost importance when you're trying to look at interior decor ideas for a zen home. Not just the walls but even the furnishing, the fabric of the living space, the accessories, everything should of natural tone and must complement each other. The idea is to sustain a sense of calmness and relaxation and it is only possible when you let in such hues.