This is an interesting thread.

Storm is a blue-grey cat and his whiskers look grey but they're probably more of a black color.

Sunny is an orangie with white on his face and he has white whiskers and also some black ones too.

Cirrus is a spotted tabby looking cat and has the bicolored striped whiskers.

Sky is grey, tan, and white with white on his face and he has white whiskers.

My RB Pepper was a black cat and he had black whiskers.