Blue and green colors of the wall

The dark blue shade makes you relax immediately and greets you. That is why it is the perfect option for color on walls in a bedroom. Soft blues help you relax and calm down after a long day. The blue color on the walls doesn't charge you with energy though relaxes. A light blue ceiling can relax a child, who tries to fall asleep and a blue wall helps a distracted child focus and do his homework. 

Green is a very positive color, which stimulates thoughts about energy and living growth. It immediately reminds you of the natural world and it's a fantastic way to add a fresh feeling of nature to the premise, especially if your home is in a city with few plants.