My favorite color is blue.
Mine is green :D What can you tell me that's interesting about the color blue?
It is one of the three primary colors.
What are the other two primary colors?
They are red and green.
Cool. Does blue come in different shades?
I think so. It lie between viloet and green on the spectrum of light.
I see. Can you tell me why the sky and ocean appear blue?
Blue
Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model. It lies between violet and green on the spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering.
a secondary color (a shade of cyan, magenta or yellow). A secondary color is formed by the sum of two primary colors of equal intensity: cyan is green+blue, magenta is blue+red, and yellow is red+green. Every secondary color is the "complement" of one primary color; when a primary and its complementary secondary color are added together, the result is white: cyan complements red, magenta complements green, and yellow complements blue.
The RGB color model itself does not define what is meant by "