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Every tool I've ever used referred to this as hex (including design tools but maybe I'm sheltered), whereas rgb refers to the 0-255 triples

If someone asked me for a colour in "RGB" they'd be rightly confused if gave them a hex format colour (obviously you can convert between them but that's not what they asked for)

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I'm not sure I agree. One is RGB decimal, the other is RGB hex. It's not Lab, or HSV, or any other color space, it's RGB. Whether it's decimal or hex doesn't change that.

Hmmm I see what you mean, but it’s more of an abuse of language I think. Both are rgb. If I asked for an rgb id expect any format, it rarely matters (actually id probably expect an hex code _more_, i see it used more often, as its textual representation is well defined whereas the three numbers don’t have a universal textual representation)

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