Re: Inverting colors for images in dark mode

Note: this is tangentially related to 
https://github.com/w3c/csswg-drafts/issues/9674

On 2025/03/25 23:56, Philippe Le Hégaret wrote:
> Looking at [1] in dark mode makes the image quite bright.
>
> Bert just introduced me to the "filter: invert(1)" magic.
>   https://www.w3.org/2025/Talks/AC/intro-tech-program/#rec-track
>
> [[
> @media (prefers-color-scheme: dark) {
>  [...]
>  .can-invert {filter: invert(1)} /* For images whose colors can be 
> inverted */
> }
>
> ]]
> https://www.w3.org/2025/Talks/AC/Templates/slides.css
>
>
> So, I'm wondering if adding those rules in the /TR style sheet would 
> be useful
>  https://www.w3.org/StyleSheets/TR/2021/dark.css
>
> ie, if you believe your image "supports darkmode", you would be able 
> to add
>  class="can-invert" on IMG and SVG elements
>
> opinions?
>
> Philippe
>
> [1] https://www.w3.org/TR/navigation-timing-2/#processing-model
>

Received on Wednesday, 26 March 2025 05:05:34 UTC