Get closest value array for array of arrays.

[DreamingInsanity]

Thanks a lot for this!
It was actually for RGB values but I didn't know about the new python 3.8 function, so that's cool.

I see that you are totalling all the values in the arrays. As I was going to sleep I had a similar thought, but didn't actually know that it was going to work or how I could at least pull it off in a semi-efficient manner.

Thanks again,
Dream