creo4 config.pro option documentation for: REF_COLOR_NAME_FIX 
ref_color_name_fix
no
*
, yes
Sets whether to apply the reference color names to unnamed colors on retrieval of the imported model.
no
- Does not allocate reference color names to unnamed colors on retrieval of the imported model..
yes
- Allocates the reference color names to unnamed colors on retrieval of the imported model.