How to replace the displayed materials in a view with a flat color
When wishing to temporarily override the material with a flat color in a view whether its assigned or attached to an element, this can be achieved by overriding the elements material with a Display Style.
Create a Display Style for each required material to be replaced, this can be done by copying one of the existing Display Styles and modifying with the required override color.
2. Create a Display Style that will be used to apply the material override Display Styles created in step 1 to the view and assign it to the view required.
3. Capture all the materials names required to have an override Display Style attached as created in Step 1.
4. Create a Display Rule applied to the Display Style created in step 2, and in the Condition Editor pick the ' Assigned ' or ' Attached Material ' property and pick the required Material name. In the Actions area select the 'Display Style Override' option and select the required override Display Style created in Step 1. ( Repeat for all required materials )