PNG supports HDR with up to 16 bits per channel, see

zozbot234 • yesterday at 4:39 PM • 1 reply • view on HN

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 • yesterday at 5:11 PM

With incredibly bad compression ratios.

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