Hello! I don't know if someone made a thread like this so I am going to compile the places where people should farm for each color. Please, feel free to suggest your farm places and if they are better than these I'll edit this post.
Red type: 5-1-1. Drops 3~5 digieggs (Bancholeomon/Mammon)
Blue type: 4-2-2. Drops 3~5 digieggs (Giromon/Locomon)
Green type: 5-3-3. Drops 3~5 digieggs (Lilamon/Garudamon/Sagomon)
Dark type: 4-4-3. Drops 3~5 digieggs (Fantomon/Devimon)
Holy type: 4-5-1. Drops 3~? digieggs (Angemon/Holyangemon)
Sorry for my bad english. Best regards~