Just like the Alaskans, their blood had accumulated so much of the blue molecule that it over- whelmed the red of normal hcmoglobin that shows through as pink in the skin of most Caucasians. They went over to Patrick and Rachel Ritchie’s house and injected each of them with 100 milligrams of methylene blue. ”Within a few minutes. the blue color was gone from their skin,” the doctor said. “For the first time in their lives, they were pink. They were delighted.