Blue shadows come from ambient light bounced by the sky. Might look odd in this interior but give it a try. Odd example but it shows somewhat the hue-shift for shading. Notice the brown walls shadow color shifts toward purple. http://zs.ffshrine.org/album/link-to-the-past/screens/14.gif Half decent trick for cheap cop-out…
Thats something I've been fighting with since day one, I can't seem to strike a good balance up that looks right? It either blends too much, or not at all and looks wrong... Can't put my finger on it. Do you have an example of say the indoor of how I could push it differently but still have it look correct and readable?
Chiming in on the vertex colour stuff - you'd be suprised how much difference it would make to almost all of your stuff without very much effort. Even just applying some custom colours into the corners and other occluded areas of your scene with a vertex paint without going into too much effort with geometry cuts and such.…