Hello. What is your favorite color? I like blue. It's one of the three primary colors in painting.
I personally like green but I think it varies based on my mood.
Color psychology is actually the study  of hues as a determinant of behavior
what does that mean? 
It can influence perceptions that are unconscious, such as how food tastes. It also can enhance the effectiveness of placebos. 
Ah, that is interesting. Is it because some colors are associated with certain emotions - such as blue and sadness
Most blues have a mixture of other colors , azure has some green, and aquamarine has violet. It is hard to tell.
Do you like to paint?
An optical effect called Tyndall scattering explains blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective.
Blue has been an important colour in art and decoration since ancient times. The semi-precious stone lapis lazuli was used in ancient Egypt for jewellery and ornament and later, in the Renaissance, to make the pigment ultramarine, the most expensive of all pigments. In the eighth century Chinese artists used cobalt blue to colour fine blue and white porcelain. In the Middle Ages, European artists used
Color psychology
"color psychology"' is the study of hues as a determinant of human behavior. Color influences perceptions that are not obvious, such as the taste of food. Colors can also enhance the effectiveness of placebos. For example, red or orange pills are generally used as stimulants. Color can indeed influence a person; however, it is important to remember that these effects differ between people. Factors such as gender, age, and culture can influence how an individual perceives color. For instance, heterosexual men