Yellow monkeyflower; rare pale almost white variation; Mimulus guttatus

On July 20, 2021, I found these strangely non-yellow monkeyflowers in the Corral Creek drainage near Vail Pass (11250 feet; 39° 32′ 11.742″, 106° 12′ 27.172″). I have been back many times but have never seen them again.