I think 4 may be Enchi due to the head stamp. I looked at the Firefly Enchi and then went looking on mm as well. My concern is that I can also find Pastel Enchis that look almost identical. I don't want to overstate and be wrong, ya know?
Both 1 and 2 look similar to the sire when he was 130g. 3 and 4 look similar to me and seem to be Enchi (though 4 also looks like a nice normal lol), 5 and 6 look normal. With all that said, 6 looks like mom and is much darker than 1 - 5.
Conclusion: we basically agree but I still have questions lol.
Someone else on here has had to have hatched out some Pastel enchis and enchis before.
sorry it took so long to reply, I've been mulling it over.