How to change the preview color of the Inserted frame

Hi Guys,

I have a small query. To elaborate further here is a scenario;

1. I created a path/guide for the frame generator and inserted it on the assembly drawing.

2. Click on "Design" tab > insert frame (Now, select a frame member) let say Standard = ANSI; Family = ANSI L(Equal Angle; Size = L 2x2x1/8

Now, at this point you are allowed to select a part/guide for the frame member. Tou will notice a preview image of the frame member.

On my office PC the color is not that visible. How do I chage that color to make it more visible.

cannondale