A definition of balance is "a condition in which different elements are equal or in the correct proportions." Balance is a state where the opposing forces are matched to provide an equilibrium. In the physical world we use words like mass, weight, force, and gravity to describe the measure of interaction between objects. We can use these same concepts to describe the way the graphical elements of an image interact.Read More
Take three photos of the same scene with different White Balance. Use the Daylight, Cloudy and Florescent options.
As you can see, the camera is quite smart at getting the White Balance correct on Auto.
However, if you want to accentuate the mood in your photo, you may use the White Balance. Perhaps set it to Shade, and get much warmer tones - and make your scene look like a hot summers day. Or use Fluorescent to make it look cold and bleak. Obviously, the White Balance should match your subject too. A cold meadow of flowers or a warm snowscape would probably confuse the viewers of your image.
Our eyes, or rather our brain, has the nasty habit of changing our perception of the colour of the ambient light so that whites look "normal".Read More