-snip-
Here are the settings I use that get pretty decent results, aside from color wise which I have not found any desktop recorder that gets the colors perfect (note that it will probably be
very performance taxing if you don't have high end components; also I'm using OBS multiplatform too if that makes any major difference):
-Custom Buffer Size of 0 (this allows for the file to be as large as it needs to be)
-CRF of 13 (default highest quality is ~18 or so, while 0 is loseless which I don't recommend for file size and performance reasons) This will probably make the most difference in quality.
-CPU usage of veryfast: haven't noticed any real visual difference while there is a large performance difference, no need to change it
Every other setting is either insignificant or the same as yours.