Posted by Gary S on May 29, 2022; 10:22pm
URL: https://forum.librecad.org/Colors-of-library-objects-tp5721714p5721741.html

That may be necessary to "explode"  the blocks and change the colour attribute of the entities that made up the block to "By Layer".  Alternatively, you can try to "Edit the active block..." and change the attributes there to "By Layer".