Skin dis-colored on feet and ankle no ich?

Several poss. causes: This could be a rash, such as ezcema or fungal infection. In your age, vascular (venous) insufficiency is not likely. I recommend that you see your primary care provider and have them evaluate this and determine the cause so that appropriate treatment can be initiated.

Needs to be evaluate: More information is needed. An evaluation would be in order. What color is the discoloration? Is there swelling? What shoe and sock gear are you using? What othe medical conditions do you have?

See a doc: While there are many non concerning for this, there are a handful of conditions that should be evaluated and followed by a physician. See a doctor for a complete evaluation and treatment recommendations.