Bug with materials based construction

[BeardedElectron]

Prying up a floor tile and replacing it will cause the floor to become darker - similarly, dismantling a wall and rebuilding it will cause it to become darker. This is, as far as I can tell, because of the material color system - steel is slightly darker than white and so makes things slightly darker.

I think this is actually lighting related, if you toggle the power to lighting via APC or light switch it usually goes away, stupid bug has been around for gosh... I think like 6 months? maybe more?