Human blood is.

Cephalopod blood is blue from the copper-rich hemocyanin instead of hemoglobin, which helps them endure the incredible cold of the abyss.

Also, the Prasinohaema skinks of the island of New Guinea are green-blooded from the high concentrations of biliverdin, a toxic green bile pigment that outshines their hemoglobins’ iron. 🤓