PNG supports HDR with up to 16 bits per channel, see https://www.w3.org/TR/png-3... | Hacker News

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		zozbot234 52 days ago \| parent \| context \| favorite \| on: Chrome Jpegxl Issue Reopened PNG supports HDR with up to 16 bits per channel, see https://www.w3.org/TR/png-3/ and the cICP, mDCV and cLLI chunks.

lonjil 52 days ago [–]

With incredibly bad compression ratios.

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