For all the people looking for color photos, not of these specific people but at least to give an idea, You can do an image search for "Methemoglobinemia" which is what the condition is called. Turns out people who have it are rather blue. Bluer than in the colorized photo in my opinion.
The Fugate family of Kentucky has had blue skin for centuries
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Re: The Fugate family of Kentucky has had blue skin for centuries
#92Earlier quoted context omitted.
I imagine the biggest challenge your doctors faced was diagnosis. It's a lot easier to treat someone when you can diagnose them at a glance.
Blue skin is a symptom, not a diagnosis. I doubt the doctor who saw him could immediately diagnose it, however he didn’t give up and cracked that case eventually (and even found the cure!)
Well yeah. I was simplifying a bit.
The doctor would have to do a bit of research, but being such a rare symptom, achieving a diagnosis for blue skin would be much easier than reaching a single diagnosis from something like chest pain.