Yesterday I transfered an amber ale into my carboy. I noticed that the yeast cake and dried krausen were a very dark color, almost gray to dark brown. I have brewed a lot of beer and never noticed this color before. Almost all of my yeast cakes are a creamy tan color. This was reconstituted english ale yeast wlp002 that i made a 1.25 L starter with. Has anyone else noticed this before? It did hit expected FG and tasted ok.