COLORXBEDITOR
Controls the color of the x-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: 1 or RGB:255,0,0 (Red)