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Re: [csswg-drafts] [mediaqueries-5] high-contrast media feature

From: Alice via GitHub <sysbot+gh@w3.org>
Date: Fri, 26 May 2017 00:20:26 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-304158358-1495758024-sysbot+gh@w3.org>
> Maybe, maybe not. These things overlap for sure, but exactly how to sort that out is still unclear.

Good point. I chatted offline with @minorninth about this.

Some slightly scattered thoughts:
- `light-level` defines more of a "why" than a "what", and I think page authors would be more interested in "what".
- @minorninth pointed out that there are at least three axes as to "what":
  - Inverted colors: on/off
  - Grayscale: on/off
    - Plus more subtle colour modifications like "warm light" or "daltonized", maybe?
  - Increased contrast: none vs maximum (slider)
- And further, each of these may be:
  - controlled by the OS: the page needs to *react* to the "pixel level" change, or
  - expressed as a user preference: the page needs to *apply* the preference (e.g. "I am a hacker and I want light on dark theme for everything all the time so I can pretend to be in the matrix")
- User preferences may ideally be browser-wide or (like text zoom) site specific and frequently changed.
- It would also be nice to be able to configure the relationship between light level and the above factors, with some good defaults.

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Received on Friday, 26 May 2017 00:21:01 UTC

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