On the Result model, right click and select Edit Deviation Spectrum.
In the menu, you can edit the Decimal Places and Spectrum values: Color Segments, Max. and Min. Critical, and Max. and Min. Nominal. Click on Edit to modify the color values.
Next, click on a color on the spectrum in the Graphics window. Select one of the following operations to change that color segment.
For example, Change Color brings up the color display for modification.