[ExI] Red

Ben Zaiboc benzaiboc at proton.me
Tue Jun 30 11:38:20 UTC 2026


On 30/06/2026 11:45, John K Clark wrote:
> On Mon, Jun 29, 2026 at 5:39 PM Ben Zaiboc via extropy-chat <extropy-chat at lists.extropy.org> wrote:
>
>     > We have a colour called Magenta, but it doesn't correspond to any wavelength of light, or any band of wavelengths. 
>
>
> According to Google: "Magenta is a unique, extraspectral color that does not exist as a single wavelength of light in the visible spectrum. Instead, it is created by the human brain filling in the gap to bridge the opposite ends of the color spectrum—mixing short-wave blue light and long-wave red light"
>
> And if you decrease the amount of red light a little and increase the amount of blue then your brain interprets that as purple instead of magenta.


Indeed. So, I'm wondering what Brent will have to say about this. Magenta doesn't seem to fit into his view of things, as it cannot be a 'physical property' of anything, it only exists as a mental construct, or a hallucination of our brains.

-- 
Ben



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