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Simple question: When a component is focused, and the component is covered by an element with an opacity of 95% would that count as obscuring? What about if the opacity is 5%?
A very literal reading of the SC would suggest that even at 99.9% opacity, the component isn't "entirely hidden". A more reasonable reading of the SC might suggest that perhaps the component could be considered "fully obscured" when the opacity is such that the focus indicator no longer meets the 3:1 contrast requirement of 2.4.11 Focus Appearance?
This feels like a significant enough gap in the SC that I think it might be worth updating the normative text, or perhaps a note.
The text was updated successfully, but these errors were encountered:
Note from recent discussion on email and in meeting:
We should keep the current SC text, but…
We should add something to the understanding document about semi-transparent things that could obscure, and link through to 2.4.11.
I.e. if the focus indicator goes behind authored content that is semi-opaque, that doesn’t fail focus-not-obscured, but should be tested against 2.4.11. (Which would be good motivation to use scroll-padding or similar so it doesn’t overlap!)