Green is gained by mixing two primary color, blue and yellow. By this, we call it a secondary color. Most of the people consider it as a neutral, calm color. Its complementary is red.
According to physiological effect, green calms down, balances, relaxes the eye, therefore it is frequently applied in medical institutes and schools. We associate it with nature, life, it gives the feeling of free space. In symbolism, green is allocated to development, maturity, eternal life, but also to inexperience, jealousy and anger. Green is used for free, permissive signals.
Green can be cold and warm depending on the rate of blue and yellow. In interior design, it is a perfect background for strong, vivid colors. Can be applied in all rooms bravely, mainly the lighter hues. Combined with white, cream and brown, a classic, elegant interior can be resulted. Hues with more yellow provides freshness and happiness into the view. Perfect color for garden facilities (e.g. shed, swing, arbor frame structure) to hide them among the surrounding vegetation.
Feng shui assigns green to wood element. The color of the Jin, the female side. Associated to the 4^th chakra (heart).
In business life nowadays it is used for advertising bio products and extensively used also by ecological and environment friendly companies. This is the color of money as well.
This is an extremely versatile color, for getting a cozy green interior, ask help from a color advisor.