Question

why are the colour of viens is green ?​

Answer 1

Under normal light blood appears red because most colors are absorbed except for red which bounces back from blood. in the case of Humans,skin serves as a filter for the red color, and the colour therefore perceived is green

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Answer 2

HEYA FRIEND HERE IS YOUR ANSWER

• The veins appear green because of refraction of light.
• Veins look greenish-blue because light has to penetrate the skin to illuminate them .
• Blue and red light being of different wavelengths penetrate with different degrees of success .
• What makes it make to your eye is the blue light.

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