A black and blue mark is a bruise. A bruise in medicine is called a contusion. A bruise occurs when a force breaks small capillaries, letting blood ooze into the tissues.
The blue ringed octopus has yellowish skin with blue and black rings all over its body
Blue Blood But Black Skin - 1916 was released on: USA: 1 March 1916
A blue tinged skin is said to be cyanotic.
blue and black cat
I don't know why bruises are black and blue but i know that they are a bleed underneath the skin! The blood is deprived of oxygen and turns blue.
If you encountered a black cat with blue skin, it would likely be a rare and unusual sight. The blue skin could be due to a genetic mutation or a dye, but it would not change the fact that the cat is still a black cat. It would not have any supernatural or magical significance, despite common superstitions about black cats.
Vitiligo
Yes. Their skin will turn a blue/black color.
The blue ringed octopus has yellowish skin with blue and black rings all over its body
blue
The cast of Blue Blood But Black Skin - 1916 includes: Raymond Griffith as The Northern Stranger Louise Orth as Pinkey - the Belle Billie Ritchie
This question is hard to answer because there are just so many X-men logos out there. Some are red and yellow, blue and yellow, blue and black, black and silver, black and grey, and blue and silver, just to name a few of the combinations. The logo's colors change depending on the artist and the costume or other item it is found on.