Why would you build a switch instead of relying on the user’s system settings? The only reason I can imagine is that your dark/light mode is not usable/readable so it forces the user to switch

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trnglina 5 hours ago | parent | next [-]

I often use different light/dark settings between apps and my system. Just because I want system UIs to be dark, for example, doesn't mean I want to read long pages of white-on-black prose on your blog.

	▲	trinix912 4 hours ago \| parent [-]
		Seconded. Just because I like to have the browser toolbar dark and GitHub dark doesn't mean I also want to read lengthy articles (LWN) in thin white text on a black background.

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yurishimo 4 hours ago | parent | prev | next [-]

Having it default to the users preference is nice, but you should still provide an override. I sometimes use my browser in light mode while my OS is dark mode. Many times, I find the contrast for dark mode websites too low unless I’m in a totally dark room.

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wiseowise 2 hours ago | parent | prev [-]

Because I don't want to toggle my whole system theme based on one special website.