Green is considered the most restful color for the eye.Combining the refreshing quality of blue and the cheerfulness of yellow, green is suited for almost any room in the house.In the kitchen, green cools things down; in a family room or living room, it encourages unwinding but has enough warmth to promote comfort and togetherness.

Green also has a calming effect when used as a main color for decorating.It is believed to relieve stress by helping people relax.It is also believed to help with fertility, making it a great choice for the bedroom.

Red raises a room's energy level.The most intense color, it pumps the adrenaline like no other hue.It is a good choice when you want to stir up excitement, particularly at night.In the living room or dining room, red draws people together and stimulates conversation.In an entryway, it creates a strong first impression.

Red has been known to raise blood pressure and speed respiration and heart rate.It is usually considered too stimulating for bedrooms, but if you're typically in the room only after dark, you'll be seeing it mostly by lamplight when the color will appear muted, rich and elegant.