Do people see the same colours?

tedmaul said:
The point is, you can't prove otherwise. Nothing you have said so far has proven that this couldn't be the case. Which was the aim of the original philosophical point.

If you can come up with a good answer that proves it, there's a number of university philosophy departments that would love to hear from you! :)
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FoxEye said:
Yeah that doesn't make sense.

Let's say red and green were swapped. The comparison colour was purple. Naturally you'd say RED was more similar to purple than GREEN.

However, the fellow who saw red as green (and vice versa) wouldn't see purple as purple, either. He'd see a colour which was more similar to green (that he identified as red).

So he'd still say red was more similar to purple than green, even tho he was seeing what we'd call green, because his purple wouldn't be purple either.

So what similarities wouldn't be affected by this skewing of colours? What absolute abstract measures of colour would be unaffected?
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The tests are (read: have been) expanded across the entire spectrum of colours. To have a different combination of colours would be impossible without dissimilarities in test results.
 
Think about it as your first experience seeing colours and you're looking at a (to most people, green) lawn.

If you see the lawn as blue but are told it's green you'll go around thinking everything that is blue (to most people) is green.
 
Mulder said:
Think about it as your first experience seeing colours and you're looking at a (to most people, green) lawn.

If you see the lawn as blue but are told it's green you'll go around thinking everything that is blue (to most people) is green.
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And then when comparing that "green" to all other colours (even if they are 'wrong') the test will note that you have differing results to everyone else.

The test really isn't "What colour is this?" it's "Can you see the shapes within this pattern of similar colours?"
 
Dj_Jestar said:
The tests are (read: have been) expanded across the entire spectrum of colours. To have a different combination of colours would be impossible without dissimilarities in test results.
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That sounds like a big assumption to poor uninformed me, care to elaborate?

Edit: I am slow.
 
RichIbizaSport said:
Lol I really cannot believe how many people have misinterpreted the op.

I too have thought about this in the past :)
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Yeah, I was surprised at this, I guess if you've never thought about it yourself before it might be confusing to grasp immediately.

At least it's a sensible discussion unlike most threads like this where someone asks if it's possible to build an uphill swimming pool or what it would be like to eat a swans neck.
 
Dj_Jestar said:
The tests are (read: have been) expanded across the entire spectrum of colours. To have a different combination of colours would be impossible without dissimilarities in test results.
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You don't understand the quation, it has nothing to do with colour blindness and those tests prove nothing. It's about how people precieve colours. Is the way I see green, the same way as you see green.


Also wondered this many times but no way of knowing, I reckon almost certainly see diffrent shades, but I doubt diffrent colour entirely.
 
AcidHell2 said:
You don't understand the quation, it has nothing to do with colour blindness and those tests prove nothing. It's about how people precieve colours. Is the way I see green, the same way as you see green.
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Across the entire visible spectrum it's impossible to see colours in a different combination without having different test results. I really, really cannot emphasise that point enough.
 
Dj_Jestar said:
The tests are (read: have been) expanded across the entire spectrum of colours. To have a different combination of colours would be impossible without dissimilarities in test results.
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Pink is similar to red, which is similar to orange. Just as green is similar to cyan, which is similar to blue.

The transitions between the colours can be the same, but with different colours in each one's place.
 
Dj_Jestar said:
Across the entire visible spectrum it's impossible to see colours in a different combination without having different test results. I really, really cannot emphasise that point enough.
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What about the other case I presented earlier?

The case where someone's colours are all shifted slightly to make them more green? Yellow would still be lighter than blue, etc, so comparisons could still yield the same results.

How would you know if someone saw everything like a TV calibrated with a bit too much green?
 
Dj_Jestar said:
Across the entire visible spectrum it's impossible to see colours in a different combination without having different test results. I really, really cannot emphasise that point enough.
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That has nothing to do with the op, we are not talking colour blindess or combinations. We can all tel x colour is x colour, however is the way I precieve green the same way as you precieve green.
 
How strange, I was just wondering this today after a number of people expressed different opinions of a colour, it got me thinking that maybe everyone wasn't seeing the same colour. My favourite colour is blue, perhaps what I see as blue is in fact the same as almost everyone elses favourite colour, it's just how we percieve it...
 
Mulder said:
Think about it as your first experience seeing colours and you're looking at a (to most people, green) lawn.

If you see the lawn as blue but are told it's green you'll go around thinking everything that is blue (to most people) is green.
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Errrr that makes no sense, you see GREEN things as blue so you wouldn't see BLUE things as BLUE like a normal person.
 
I faceplamed at all the people not getting the OP's point. I too have thought about this before, I guess we'll never know for sure :)
 
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