You can disable swatch rendering in the Node Editor, Hypershade and Attribute Editor to help improve performance slowdowns caused by swatch refresh.
To disable swatch rendering in the Node Editor, Hypershade and Attribute Editor for the startup state of Maya
To disable swatch rendering in the Node Editor, Hypershade and Attribute Editor for the current session of Maya
Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License