I just spoke with Alison Maher, the prefers-contrast dev on Edge. We decided 7:1 for 'more' and 2.5:1 for 'less' feel appropriate. The "high" threshold would encompass all windows HCM themes as well as the FF-default HCM theme. RE: last week's TPAC planning meeting (& discussion with heycam), this is the last major change to prefers-contrast that we'd need to make before un-pref'ing. :sean is this something that could be prioritized? Asa and I met with google a11y folks a few weeks back and they've got a vested interest in us un-pref'ing this so they can do HCM compat testing in Firefox. (ni'ing emilio here too since he'd probably be the one to take this on)
Bug 1658796 Comment 1 Edit History
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I just spoke with Alison Maher, the prefers-contrast dev on Edge. We decided 7:1 for 'more' and 2.5:1 for 'less' feel appropriate. The "high" threshold would encompass all windows HCM themes as well as the FF-default HCM theme. RE: last week's TPAC planning meeting (& discussion with heycam), this is the last major change to prefers-contrast that we'd need to make before asking for the CSSWG's blessing to ship & un-pref'ing. :sean is this something that could be prioritized? Asa and I met with google a11y folks a few weeks back and they've got a vested interest in us un-pref'ing this so they can do HCM compat testing in Firefox. (ni'ing emilio here too since he'd probably be the one to take this on)