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Trips confirm
You want to know the significance of the color green.
Well first consider the light spectrum and wavelength.
Green is the color of most leaves on plants.
Plants need sunshine for photosynthesis.
Since the leaves are green, the green light is reflected back and the only other light absorbed is red, blue and violet.
Red, blue and violet are the only colors of light used in photosynthesis because the leaves are green and reflect that primary.
I find it interesting that only the low band and highest bands of light spectrum are involved in photosynthesis.
Since green being a primary most others are omitted when it is not present.