Controls the color of polylines at the intersection of 3D surfaces when the visual style is set to 2D Wireframe.
Value 0 designates entity color ByBlock, value 256 designates entity color ByLayer, and value 257 designates entity color ByEntity. Values 1-255 designate an AutoCAD Color Index (ACI) color.
An intersection polyline is what displays as the face-to-face intersection of 3D surfaces when the HIDE command is used or the SHADEMODE command is set to Hidden.
The INTERSECTIONCOLOR setting is visible only if INTERSECTIONDISPLAY is turned on and if the HIDE command is used.