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There's a big difference between isolated colour pixels taken from an image (from DBS's example I see a cornflower blue and dark gold/brown colour) and his your brain reads it in context.
I trust the image directly. If you show me something and ask me what colours are in it, I'll tell you what colours are in it. I won't tell you that the colours in the image are wrong, because that would just be rude!
If I got a picture of Michelangelo and Raphael and screwed with the colour balance so that Mikey's mask was exactly the same colour as Raph's, I wouldn't say Mikey was wearing orange because he's the one with nunchucks and the pizza. I'd say he was wearing red because he's wearing red.
If you don't trust the image, then surely the image provides no information whatsoever and the objects can be any colour? It could be a green object lit by a strong blue light, or a flat coloured object lit by a striped light!
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My brain assumes that it is gold and white because I know from experience the effect of taking pictures of white objects facing away from the light source in pictures taken into a strong backlight, so my brain thinks this is what is happening here and so interprets the colours on the screen to probably be sometthing close to white and gold.
If you consider that the image has a strong background light, it makes even less sense to me:
There's strong white in the upper right. That upper-right white and the white of the dress are not the same brightness or hue: The dress
in the image can't be white.
There's strong black in the bottom left. That lower-left black and the black of the dress are not the same brightness or hue: The dress
in the image can't be black.