Chromatic and Beauty Pools: Chromatic and Beauty Pools are closely related to each other. As the water level in one pool rises, is descends in the other. Beauty Pool frequently changes in color as the water temperature changes. It is at its brightest when the temperature is hot, and turns brown at lower temperatures as brown-colored microorganisms thrive in the water.
The vivid colors of its basin and runoff channels are created by microscopic lifeforms
The vivid colors of its basin and runoff channels are created by microscopic lifeforms. These organisms survive in an environment that could be lethal to most living creatures. The color of the geyser is a function of what lives in it. Temperatures of 80 degrees or lower are the darkest in color, 133 degrees of lower are brown, 144 degrees or lower are green, 140 degrees or lower are yellow algae and the highest temperature pools are blue, full of Cyanobacteria.
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