The nature of color: New formula to calculate hue improves accuracy of color analysis

A stroll through the produce aisle in your local grocery store exhibits a plethora of vivid colors. From opposing hues, like red apples next to green celery, to subtler variations, such as light to dark purple grapes, every color seems to hold its own unique attraction. Is there a way to precisely measure these hundreds of colors? This is a crucial question for scientists studying the biological importance of color in nature, but measuring color is much more challenging than measuring other characteristics, like size or weight. In recent work, University of Colorado researcher Stacey Smith presents one potential solution: a new formula to calculate hue.

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