The color of the skin in your arm or leg may change depending on the
temperature and if the limb has been in a certain position too long. Your hands
and feet may look pale, white, or blue when they are hanging down, but return
to a pink color when they are elevated. These color changes might not be
noticeable if you have dark skin.
Your arm or leg may become pale, white, blue, or cold when blood flow
has been decreased or cut off. This condition requires immediate medical
attention, especially if your symptoms appeared suddenly or occur with cold
skin or loss of function. If the skin of your arms or legs has been pale or
blue for a while, medical evaluation is still recommended but not as
urgently.
