You need to follow several steps:
1. Create a copy of "red_ins_quest_teleport.bsr" and rename it to a color you want to use, e.g. gre_ ...
2. Open the file with any hex editor and replace the color for the .bmt and all .efp entries:
- E.g. _red -> _gre, glow_r -> glow_g
3. Particles replacement:
- make a copy of the following files and replace colors with efp editor:
- media\particles\dun
- bigsujung_light_red.efp
- bigsujung_potal_glow_r.efp
- rename to the color you want to use (see above)
4. DDJ color replacement:
- make a copy of the following files, rename them accordingly (gre_) and replace the color with ddj<>dds converter and paint.net:
- media\data\prim\mtrl\quest
- red_ins_quest_teleport.bmt
- red_ins_quest_teleport.ddj
- open the bmt file and replace the color of the ddj entry, e.g. gre_