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.