Purple? Outdoor green gelato auto.

Nothing to worry about (another example would be the Purple Punch strain of Royal Queen Seeds)

Not sure but how close are the lights? I heard u can turn buds an sugar leave purple with intense light but it makes the weed pooppew. Check your light distance and intensity . temp.. I got 2 white widow. 1 inside 1 outside and both are completely DIFFERENT.. Your packet 5 seed pk EXAMPLE a couple might be different phenotypes . like your mom an dad has 5 kids same parents but all 5 has their own traits

Completely fine and not an issue to be concerned over. Some strains will have purple or red calyxes and a lot of strains will have pink, red or even crimson pistils earlier in flowering. The colouration is due to anthocyanins and is a normal occurrence when night temps are quite a bit lower than day temps. It does not affect growth, potency or yields and is not a sign of any disease or deficiency, just a perfectly normal cannabis trait. Hope this helps, Organoman.