Agree with Les'. If you need to photograph indoors, try not to use flash; it 'kills' detail, and can effect colour balance. Easiest thing is to use an 80B filter (blue). If your camera won't accept a filter, just hold it in front of the lens, assuming the camera is on a tripod. Or, if that's not possible, buy a 'daylight' viewing bulb from an art shop. You can use this in a 'spotlight', for example, a desk lamp or similar. It will give you the rough equivalent of neutral, ambient daylight under normal conditions. I won't go into the technicalities of different light sources and colour temperatures, but, try not to photograph under fluorescent (strip) lights; the 'green' color balance needs relatively complex filtration.