I followed Jamil's Kolsch recipe to the letter but pitched WLP 833 into my carboy thinking it was a Kolsch yeast. I found out that it's actually a different German yeast strain. Will this still be a good Kolsch or do I have to call it something else now?
You are a homebrewer. You can call it whatever you want. Will it taste like a kolsch? Might not have some of the soft bread notes that WLP029 (Kolsch/German Ale).
I am sure you have a very nice helles bock on your hands potentially. If you fermentation was spot on I am sure its great on way or another.
I am sure some brewing purists would tell you that even if you pitched WLP029 it still wouldn't be a kolsch because it wasn't brewed in Cologne Germany.