Is this light burn? It’s only on the top leaves.
I may be wrong but it looks like she may be in transition to flower, ??
If not, she is very mature to flip to 12/12.
A little nute burn, but other than that, she looks fine. New growth when mature like that may turn a light green color. No worries! A good view of the whole plant might help. Keep’em growin!
They is 4 weeks old from seed, not very big at all. They are in 3 gallon pots and are white widow autoflowers.
Nice plants , that would be the new growth basically the norm. @spyonyou. Has you covered.