Note that most in-home lighting is "tungsten" based, at least here in the US, however the color temperature of the average home tungsten bulb still doesn't match the color temperature of tungsten film. I commonly see bulbs balanced for 4 different color temperatues:
- 2700K - this is the most common color temperature I see, and is often called "Soft White."
- 3000K - this is often called "Bright White"
- 5000K - this is often labeled "Daylight" although I occasionally see "Daylight" balanced bulbs with a color temperature of 6500K. Check those color temperatures!
- 2200K - these are usually the LED bulbs with the antique style filaments in them.
Tungsten balanced film is usually 3200K, and an 80A filter is what you need to convert 3200K light to 5000-5500K (Daylight) balanced film. I've shot daylight balanced E-6 film under 2700K lighting through an 80A filter, and there's a big color difference between 3200K and 2700K! The colors are definitely off when you do this.