color theory in the architectural design and its effect on our visual perception is the topic of one of my video tutorials using my Color Harmony 3dsMax script
this is a 3dsMax script which I have written for finding color harmonies inside 3dsMax it can support:
Complementary, Split Complementary, Analogous, Triadic, Tetradic, Monochromatic
it is compatible and tested with Cool Picker, VH Color Picker plugins and default 3dsMax color picker as well.
give you information about select color in RGB and HEX color code.