The color red affects us mentally and physically. It has more personal associations than any other color.
Recognized as a stimulant red is inherently exciting and the amount of red is directly related to the level of energy perceived.
Red draws attention and a keen use of red as an accent can immediately focus attention on a particular element.
It increases enthusiasm, stimulates energy, encourages action and confidence and gives a sense of protection from fears and anxiety.
Red is the color for beauty in many languages. In Sweden, Falun red (red based on the pigment from the Falun mine) was reserved for the privelaged class.
In China red is associated with good luck and fortune. In Chinese culture colors corresponded with the five primary elements, the directions and the four seasons. Red was associated with summer, fire and the South. In Japan red is the color of Shinto sanctuaries.
In Greece Easter eggs are dyed red and the Greek expression "Piase kokkino" (touch red) is said when two people say the same thing at the same time. It is believed that the event is an omen that the two will have an argument in the future, which can only be broken when the two touch the closest thing that is red .
In England, red phone booths and red double decker buses, are national icons.
In India, a red mark on the forehead is said to bring good luck.
Red is the color most associated with the Soviet Union during communist reign.
Reference: http://www.squidoo.com/allaboutred .