I h ave been puzzled by this Maya 2016 bug for a while. Say I take a sphere, render it in Render View... It comes out bright and/or washed out. Then I use File>Save, and then it's fine... I pasted the saved version back on top in photoshop to show you. I tried going into render settings and setting the output transform to…
In preferences, under color management, at the top, untick enable color management. But to be honest, you should keep it on since it applies linear lighting transforms to your render.