First, let’s talk color theory. Red is the opposite of green on the color wheel (like the technique you learned back in ...

A black eye is bruising around the eyes that can look purple, black, or dark blue. This can happen when trauma to the head or face causes bleeding and swelling under the skin around the eye. What ...

Blue eyes (and other light colors that indicate less melanin) absorb less light. Whatever light does get in through your pupil is scattered by collagen fibers, which make the eyes look blue.