Red is the first color absorbed, followed by orange, yellow, green, blue, indigo, and violet. A useful way to remember this order is “ROY-G-BIV.”. Red and orange are absorbed at about 20 feet, while blue, indigo, and violet are absorbed far beyond maximum diving depths. This is why underwater photos and videos seem washed out with blues.
Reference: scuba-tutor.com/dive-physics/water-density/color-absorption.php
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Do Different Colors Absorb Heat Better
Students test whether the color of a material affects how much heat it absorbs. They leave ice cubes placed in boxes made of …