Layer properties such as color, layer name, line type can be easily replicated or changed to match existing elements or objects in the drawing by matching properties.
In order to match properties input command MA, then press Enter or Space Bar.
Dialogue box displaying Select Source Object will display.
Click on the object with the desired properties.
Dialogue box displaying Select Destination Object will display.
Click on the object that you want to gain the desired properties.
For a demonstration of the steps above watch the following Video