I thought it might be the reflection from the sky but if that was the case, why does the ocean appears more blue the deeper you go?
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Sky us blue due to the wave length of blue color that deviated then reflected among the 7 types colors come from son and crossing the ozone layer ..then the water reflect the blue color of the sky .
Get some blue water color paints. Put it On a white piece of paper. Put more water color. Is the water color a darker shade of blue now? It’s the same with water, just that water is a very very bright shade of blue
Think of it like, small amount of water have few water molecules layers that’s why it doesn’t reflect blue much on the other hand ocean have large amount of layers that
help to reflect recognizable blue color.
If water really has a blue colour then why is the Pacific Ocean green?
Light going through water has a chance to interact with the water, meaning it gets absorbed or refracted or reflected. The more water it goes through, the more chance light will interact with the water and clarity will drop off.
The light has different frequencies in it, and the different frequencies have different chance of interaction, red light has high chance, blue light low chance.
So the blue color is what’s left of the light traveling through a lot of water, and the clarity dropping off sooner is because of the same interaction.
I.e. the blue light isn’t clear because the light you see is a muddled intensity that can come from anywhere within a large volume.
The light from the sun gets absorbed by the water and things that live in the water. When you reach a certain depth it’s all gone.
Ocean waters are blue for the same reason the sky is, and some eyes are.
Sunlight that reaches Earth is scattered in all directions by the small scattering particles present in the air, in the water, and in the eyes.
Blue light is scattered more than other colors because it travels as shorter, smaller waves.
This is why we see a blue sky and blue ocean waters most of the time (on sunny days).
Eyes appear brown, hazel, blue, or green because of the front layer of the iris.
People with blue eyes have no pigment in the iris at all, causing the fibers to scatter and absorb some of the longer wavelengths of light that come in.
More blue light gets back out and the eyes appear to be blue.
Let’s see what Wikipedia has to say about it:
“While relatively small quantities of water appear to be colorless, pure water has a slight blue color that becomes deeper as the thickness of the observed sample increases.”
https://en.wikipedia.org/wiki/Color_of_water
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