A contusion or bruise does not forbid you from doing exercise. If there is an underlying injury, then you likely won't be able to bear weight. But simple bruises occur all the time, with no serious concern.
My mother always called ecchymoses "black and blue marks."
The bird with blue wing feathers in Greece is called a Blue Winged Teal. It has cinnamon brown body feathers and patterned black marks on it.
Not every person who doesn't exercise will get blue veins
Your veins
black and blue
Grenade, Bruno Mars.
Stretch marks can go away,but for this to happen,you need to do some exercise to unsure your succes!
If the black marks are dead pixels then you have to replace the screen you cant fix it.
I think Black mixed with anything is still just Black
When you breed a black and a blue together you get a dark blue or black.
The blue marks on tanalised timber are caused by the copper-based preservative treatment used to protect the wood from decay and insects. These marks are a normal occurrence and do not affect the structural integrity or performance of the wood.
Midnight Black Blue