Green, the mixture of blue and yellow, can be seen everywhere and in countless shades. In fact, the human eyes see green better than any color. This, along with many other facts about this color, makes it an essential part of our everyday lives. But why is that?
Helping you see
We see green with ease because of how light reaches our eyes; the human eyes translate waves of light into color. When we see colors, our eyes are able to process the wavelengths and tell the brain what color is being observed.Humans perceive three primary colors: blue, green and red. The human eye can detect light between wavelengths of 400 and 700 nanometers, a range known as the visible spectrum. In the middle of the spectrum resides the color green, at around 555 nanometers.
Knowing your environmentOur ancestors lived in forest full of greenery long ago. Color changes in leaves, fruits and vegetables can indicate age or ripeness and even offer a warning that something may be poisonous or rotten. Today, we continue to use this instinct at a farmer’s market or grocery store.
Keeping you calmWill seeing red help you lose weight? Some scientists and researchers also believe that because our eyes are at the peak of their perception to detect the wavelengths corresponding with the color green, the shade may calm us down. This quality of green may explain why hospitals and work environments are often painted green.
Helping you live longerNatural environments, full of green plants, might help you live longer. A 2016 study found that living in or near green areas was linked with longer life and improved mental health in female participants. Researchers from Harvard T.H. Chan School of Public Health and Brigham and Women's Hospital compared risk of death with the amount of plant life and vegetation near the homes of more than 100,000 women.
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