What causes bruises? Bruises, also called contusions, appear as red, brown, bluish-purple, yellow or black circular blemishes on one's skin.They occur when small blood vessels, known as ...

Bruises, also called contusions, appear as red, brown, bluish-purple blemishes on one's skin. They occur when small blood vessels sustain damage. Story by Daryl Austin, USA TODAY ...

Bruise colors depend on skin tone and the intensity of an injury. They may be red, blue, black, yellow, or slightly darker than a person's unbruised skin.

A deep purple or blue follows, and then a bruise turns green, yellow, and possibly yellowish-brown before disappearing. A normal bruise usually does not last longer than two weeks.

Bruises are essentially pooled ... and they later turn bluish-purple and greenish-yellow, although bruises' appearances ... first transforming into a dark-brown form of the protein called ...

After 5 to 10 days, the bruise turns a green or yellow color. This is a sign that healing is taking place. After 10 or 14 days, the bruise’s color will be more of a yellow-brown or light brown.

In certain genetic disorders like Von Willebrand Disease, the child may have bruising and increased nose bleeds, ... purple or sometimes yellow-brown hue before it fades completely.

Blue light also worked well, but purple light with yellow goggles was most effective in detecting bruises on people with darker skin tones, said Scafide, who also worked as a forensic nurse.