Washed Yeast Q

[KayaBrew]

I washed some WLP 550 the other day (actually my first yeast wash-I usually use S-04 or S-05) and I have a question: In the jars of washed yeast, there is a darker layer on the bottonm and a light layer on top. Which layer is the yeast?

 

[Scimmia]

The lighter one.

 

[Palefire]

What he said.