Looking like a future buzz
Hi there and welcome to the neighborhood
She looks right where she should be. Next pics, take with flash or turn your light off.
Please provide pictures in white light: can’t see anything under the blurple.
Looks like water showing in your hydroton: if so, water level needs to be below the net pot by 1 1/2 to 2". If not the plant will drown. Until sprout produces a taproot into nutrient solution you have to top feed. SPARINGLY. That rockwool holds water like you wouldn’t believe and it will certainly kill the plant.