COLORZBEDITOR
Controls the color of the z-axis in the user coordinate system (UCS) icon and
cursor crosshair in the Block Editor.
Type: OdCmColor (Integer or String)
Saved: In the registry
Range: -1 to 255, “-1” to “255”, “RGB:0-255,0-255,0-255”
Default: 5 or “RGB:0,0,255” (Blue)