FED-STD-595B (obsolete)
FED-STD-595B is now obsolete and has been replaced by FED-STD-595C.
FED-STD-595C retains all 611 colors that were in FED-STD-595B and adds 39 new colors. In all cases Revision-C materials (fan decks, chips, etc.) can and should be substituted for Revision-B materials.
FED-STD-595B materials are no longer available.