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about Color

 Humans can see things when light hits an object. Objects have color because light hits the object and only a certain wavelength is absorbed and the remaining wavelengths are reflected. So, we see the reflected light as color. Naturally if there is no light,we can not see any color.

 How many colors are there in our lives?
Red, blue and green are divided into 256 levels from 0 to 255, 16777216 kinds of colors are produced by combining them. Colors which people can see are 7,500,000 colors if conditions are ready. They are 1,875,000 colors if conditions are not ready.