I use 1A (light red) safelights in 5x7 fixtures with 25watt bulbs pointed at the ceiling. They are more than 5 feet from the work area but provide enough light to read by. No fog at all with my tests up to 20 minutes with most VC papers.
A disaster was when I worked in a xray lab. I left the film safe open when I opened the door. Hundreds of sheets of different sizes ruined. Didn't get fired though