How do we know we all see the same coulors?

Answer 1

There is really no telling. We know when people are colour blind merely because a colour blind person won't see a colour like red. Instead they will see a greyish colour, but they will still see grey the same. So if red and grey are next to eachother they can't tell the difference, but normal people can. But to know if when looking at blue, that you see the same thing I do there isn't really a way to know since we have been taught that a specific color is called blue. Blue is merely a title we use to define what we see.

Answer 2

We probably all see colours slightly differently but we are told a colour is red when we are babies so we see it a red even though we may be seeing a bit different to anyone else. Colour blindness is a different thing. Usually this is an inability to distinguish red from green and for some all the colours just look lighter or darker

Answer 3

The eye structures of the human retina, the rods that pick up black and white and the cones that pick up colours, are the same for most healthy humans, and enable us to see in red, green and blue and combinations thereof.

The same red cones react in humans the same way to the same stimulus - so it is assumed that healthy human eyes the world over will see the same colour and associate it with the word "red" in the same way, and probably in the same part of the brain, too.

Same goes for green and blue.

The exception being colour blind people, for whom one or more of those cones aren't properly functioning, and synaeeshttes, for whom all the signals from different senses get all mixed up in the head so that red tastes like lemon, and the sound of a piano is associated with the feel of sandpaper down one's back, etc.

Answer 4

We don't. The colors we see are the way our brains interpret the light that refracts off of objects in our surroundings. You can say that people receive the same colors from light rays based on the similarity of size/arrangement/shape of the rods and cones in the back of the eye, but you can't tell what other people's brains are processing. What if everything's really gray, and all the color is is a way for us to tell the difference between one type of light refraction and another? Maybe we're all yellow. Ooooooh.

Answer 5

we dont know for sure, because we are all of different consciounesses, not simply one. BUT, we do know that humans see visible light, on the light spectrum it ranges from about 450nanometers to 800nm... Red Orange Yellow, Green, blue, violet. ROYGBIV... we understand that light waves called photons travel at certain speeds, directions, velocities, etc... these specific wavelengths are from 450-800 or so and can be seen with our human eye.

other ends of the spectrum include Ultraviolet (afterthe violet end) and infrared ( before the Red), Microwave and X rays, and Gamma rays are also higher level wavelenths which we cannot see...

So we never really know that we are looking at REd or GREEN when we are seeing it, its simply that our eyes perceive it as that, and our RODS and CONS ( sight receptors for black and white, and color, respectively) turn these wavelengths into colors. Pretty cool huh?

Answer 6

We Don't All See The Same Colours

Answer 7

We obviously do not all see the same colours as some people actually choose cars in what to the rest of us are truly hideous colours. I am slightly Blue/Green colour blind as I cannot easily differentiate between metallic Blues and metallic Greens in some lights.

Answer 8

That, and some other questions are unanswerable. How do I know your perceptions are the same as mine? I realized this point in my teens and pondered it for some time. I asked a man that I trusted about this ( my grandfather) and this is what he said. If it walks like a duck,and it squawks like a duck,and F**KS like a duck than it's a duck! I thought about this for a while.I came to the conclusion that it makes no difference,if we all call it a duck than it is....a duck

Answer 9

because colours are the colours because of the light refraction through the atmosphere of the ligth waves combining to make the colours...something like that, someone else could probably explain it far more scientifically, but I've had a bash for you

Answer 10

I wonder that myself. Im not all scientific about it though. I realise that there are ppl who are color blind, and that everyone sees everything in different shades.

I kinda wonder though if you and I were looking at the same colored wall and we both agree it is green... but the color you were looking at was actually what I preceived red to be .. but what you see green as.

Did I lose you?