[Anton]

It all gets down to color temperature.

If you use a digitital camera, go into the menu, look for White Balance and set for whatever light source you are photographing under. This will correct the color temperature.

Fluoro has a green cast, tungsten light globes - yellow, daylight - blue, as is flash. the problems occur when you mix light sources, or have the camera set for the wrong color temperature.

Rather than letting your camera do it, itself by having it set on Auto, you have more control by manually setting it yourself. Also by setting your camera to flash when photographing outside you get an effect known as Fill-in Flash which eliminates shadows in your images, as sunlight produces dense shadows.

I can upload some images to demonstrate this effect if you like.