they look fine to me.as jingo says a plant thats a tad on the lighter shade of green is better than a too dark of green.
can depend what time of day you take a look at the plants,can be natural they tend to droop lights off and pray lights on.take a look at a time lapse vid
Hey man,tnx!
This coud be it,but this leave is getting dry little more and curled down,little yelow mark on side is the same for 2 days,only this leave is efected right now,rest off the plant looks ok and groowing