How to add a white rectangle with black text in top silkscreen layer?

Question

Using OrCAD X PCB Professional (OrCAD X 24.1). 
 I've been using Allegro in it's various revisions for many years, but this is the first time I have run into this: a client wishes for me to provide a small white rectangle on the top layer SS with black text inside the rectangle. How can this be done? I have tried using add>frectangle and then in display>assign color I assigned the color white to it, it shows up as white in the editor but not certain how it will turn out. Is there a known/approved methodology to add a colored rectangle with colored text to a SS layer? And also how about adding color for text, the display>assign color will not allow selection of text? Or must this all be specified in the fab drawing notes for fab house to implement? 
 Thanks.

excellon1 · Accepted Answer

Hi, usually this is a dual process and is carried out either by the board manufacturer or it could take the form of a stamp that is applied at the assembly house in the white silkscreen area. 
 The easy road is to create a shape rectangle on the silkscreen and then add a fab note to indicate the location of the text within the rectangle. The Assembly house would add the text that is needed in black or any suitable color. 
 You could also for the text create a new subclass on the "Board Geometry" Class and call it "SilkScreen2" and add the text there so it shows up in the PCB Editor. Look under "Setup > Subclasses to do this. Best Regards.

steve · Answer

Although not exactly what you need this could also be an option :- How to reverse Text in PCB Editor

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How to add a white rectangle with black text in top silkscreen layer?

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