VSMONOCOLOR
Not implemented. Required for .dwg file compatibility only.
Type: String
Saved: In the drawing file
Range: "0" (BYBLOCK), "1" through "255", 256 (BYLAYER), 257 (BYENTITY), "RGB:000,000,000" through "RGB:255,255,255" (for True Colors)
Default: "RGB:255,255,255"