Lux works really great if you have a Nexus 4. Instead of just overlaying a partially transparent block of color, it actually adjusts the screen temperature at a much lower level in the OS.
There is a Nexus 4 plugin on the Play Store to intsall if you want to try it out, made by the same developer.
There is a Nexus 4 plugin on the Play Store to intsall if you want to try it out, made by the same developer.