What's are his coat patterns called?

[A & B]

I want to know what his coat pattering is. I don't know if that's what you call it but here's some pictures.

 

[A & B]

He's a Holland Lop if that helps

 

[JimJam]

I am pretty sure you would call his coat coloring Chinchilla ( Grey with black tipping )
Beautiful bun

 

[A & B]

Thank you!