I think entertainers should make use of torches and such. It is the accepted method of making things bright enough to see.
They are a poor entertainer if they aren't thinking about their audience.
It's a little more complicated than that.
How fast does the light from a torch die off?
If I place torches at the end of a hallway, then it's light level 14, and pretty bright, at the torches; how far down the hall should people be able to see reasonably well?
What monitor do you have? What monitor does your viewer have?
"Moody" actually looks good on a washed out, 1.21 gamma monitor -- either an old, worn-out CRT, or an early, low quality flatscreen. As far as can be told, "Moody" looked good to Notch's eyes on his monitor. For a modern, calibrated monitor? I like around +70 for a 1.8 monitor. But that only affects the gamma -- the midtones -- not the actual black level.
Black level is a pain. How many people do you see walking around inside caves with no lighting at all? Well, at gamma 1.4 or less, I can see inside caves just fine -- but at 1.8, dark is dark. So how washed out are people's monitors? There is no game control for black level.
For my YouTubes, my calibration is pretty simple. My "test chambers" are two-wide, three high, hallways, with either torches or skylighting at one end, and walls/roofs/floors of various materials. Too bright (+100, for example), and there is no real "drop off" of light until the end of the hallway. Too dark (moody, for example), and it's really dark even by light level 8. Just right, and the light level goes in a smooth line from about 3 to 13 (assuming torches), around 7-8 it looks "dangerous", etc.
And, in an environment of stone/gravel/cobble/dirt, zero should be invisible, 1 should be distinct from zero, and 3 should be identifiable. That's my standard. My calibration software says that I'm using a 1.8 gamma, but the actual visual looks almost identical to the default Apple 2.2 setting (but I can correct out the horrible blue-cast from the default D65 color, and make it look white, at least in either indirect sunlight or 5K sunlight lamps ... yea, I know, D65 is supposed to be sunlight, but it doesn't match the sunlight where I live
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