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Colors should be an OS feature. On iOS and macOS you can remap colors globally and it works in all native apps. There are presets fire the common cases: red/green issues, color blindness etc and you can make your own. This has its limitations though eg if you are not able to distinguish at least 5 or so colors… any colors.

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That's why you don't just use colour for identification. E.g. include a warning icon next to a button/element in addition to using a warning colour.

Nor just shape, so a warning icon + text message.

and, as is being increasingly forgotten, SOUND QUES. Seriously, I get they can be annoying but they make navigating and interacting with things so much easier if you can't see them. Sure, TTS exists but is far more inefficient and objectively less helpful in these kinds of circumstances

Another great example of increasing accessibility while reducing usability.

*cues

should be, but then you will upset all the marketing folks and their brandings.

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