I can't seem to install it from the command line, I just get errors. I prefer flux to redshift because you can set the color manually
Hello Johnny McIvor
f.lux - I do not use it.
Redshift - the following post on the Linux Mint Forums gives the best advice about getting Redshift to work that I know of: 
Redshift alternative to f.lux easy configuration
Hi, I have used redshift, it does not meet my needs.