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Why are the webcam/microphone switches red when the component is disabled and black when enabled (instead of the other way around)?
(yeokhengmeng.com)
It makes more sense to me to have the switches appear as red when the device has the ability to record you. When color is used as an indicator for something, the general convention is that red is negative. Meaning that there is a greater possibility of something going wrong when a red indicator is being displayed. You could argue that "webcam is not working for some reason" is a negative, and that seeing the bright red indicator can bring your attention to the switch as a hint to how to fix the issue. I would argue against that by stating that having a webcam record you when you do not want it to is a much bigger potential negative than the webcam not recording when you do want it to.
Also:
- When a traditional video camera displays a red indicator light, that means the camera is recording.
- On the underside of the Framework 16, the expansion module latches are red when disengaged
Everyone is overcomplicating this. Red = stop. When it's red, that means it's off.
As for why indicators are sometimes red lights, that's because casting light requires active effort, so if a light is on, then you can assume that the thing is at least receiving power. Red LEDs are the cheapest LEDs (or at least they used to be), which is why binary on/off indicators will sometimes use them. It has less to do with the color and more to do with the price (that's also why older indicators are usually amber or have colored plastic filters; LEDs weren't invented yet, so the cheapest thing was a tiny incandescent bulb with an optional color filter). Otherwise, red lights usually signal an urgent warning, error, malfunction, or some other event that requires someone to stop whatever they're doing and give the device immediate attention.
Edit: in the case of recording specifically, people likely started using red as a recording indicator because, well, recording is important and requires your attention.
The red light on a camera also means it's "recording". Which is the reason the record-action in audio/video software is still a red circle to this day. This being about audio and video recording capability makes this another way to look at it, in a not complicated way.
What in trying to say is that what's intuitive depends on your perspective. Most of all what you've encountered before that's similar. It had nothing to do with overcomplicating anything.