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Why is #FFFFFF white, but mixing red green and blue paint is black? (sh.itjust.works)
submitted 8 months ago by to c/nostupidquestions@lemmy.world
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like if you wanted to mix paint to get a color from a computer would you do the opposite of what the RGB value is? I'm confused

like if I wanted to take the RBG code R:99, G: 66, B, 33 wouldn't it look more lightful than if I mixed paint into 1 part blue, 2 part green, 3 part red? how would you paint a color code?

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[–] 4 points 8 months ago (1 child)

I think hsl is the better computer color model

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  • [–] 2 points 8 months ago*

    If you're going this route, I highly recommend looking into and using OKLAB instead.

    The problem with HSL/HSV is that it's not perceptually uniform - if you only move HUE to change color, you will get different perceived brightnesses. This is important especially when procedurally generating color palettes, but also makes it harder to pick a color.

    OKLAB solves that issue, and is designed to be uniform. Here is a great article about it, which is funnily enough IIRC a blog post that invented the color spectrum, that got noticed and eventually turned into a new industry standard.

    Here is a picture that sums up pretty obviously what is the difference. This is a gradient that moves just the hue.

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