The Physiological Effect of Colors

"Respiratory movements increased during exposure to red light and decreased during blue illumination" Robert Gerald, University of California.

Powerful, dominating, energetic, fiery, exciting, penetrating

Calm, concentrated, patient, passive, waiting, respecting

See if this is correct.

Powerful, dominating, energetic, fiery, exciting, penetrating

Calm, concentrated, patient, passive, waiting, respecting

What do you think? The caution sign works best in blue or red? Did you notice that the red sign seems to 'jump' at you? And the blue sign is 'retreating'.

It is rare to find a Ferrari in blue. It would be odd. In fact Ferrari sells more red models than other colors.