OBSCUREDCOLOR
Determines the color of hidden lines, which are made visible in wire-frame view by changing their color using the OBSCUREDCOLOR system variable. This system variable changes the color of hidden lines only if the OBSCUREDLTYPE system variable is turned on.
Type: Integer
Saved: In the drawing file
Range: 0 (BYBLOCK), 1 through 255, 256 (BYLAYER), 257 (BYENTITY)
Default: 257