like as a physical property. i don't know any color-ology maybe there's a simple way to make me get it but

IT SEEMS like color depends entirely on BRIGHTNESS so an OBJECT can't have a fixed COLOR because BRIGHTNESS changes all the time!

  • JuneFall [none/use name]
    ·
    3 years ago

    This :crab-party: got not only like human eyes 3-4 different receptors in their eyes to then get what colours are, but 12!

    Of those 4 are in the UV spectrum, so they can see stuff that is invisible to us.

    Basically the small part of physical reception in the eye is simplified that we got some "hills" in our eyes (typically named cones), in which there is a chamber that contains a molecule which can react when a photon gets absorbed by some active part of it. This leads over some steps to electrical signals via Neurons and via optical nerve to the brain and such.

    After one of those molecules is activated (it is basically like a bucket of water over a door that falls when the door is opened - or the photon gets absorbed) the molecule needs some help and some time to get back into its previous state.

    We got a high count of those receptors in our eyes in different places. This is part of what enables us to see intensity of light. The receptors differ in as much as they can absorb photons of different wavelengths.

    There are also Rod cells which work to the same principle in general, but many of those are behind each other and give their signal combined into one way before it is passed on, this enables more colorless seeing with low light outside (e.g. in the night where you can't really see colours).