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The value 0.03928 (as used in what was formerly a note to the "relative luminance" definition but what is now a "normative" part of that definition) comes from the sRGB proposal. This is outdated and either 0.04045 or 12.92 * 0.0031308 = 0.040449936 (I don't know which is used in the IEC standard) should appear in its place.
I understand, however, that all three thresholds don't make a difference in the results if only 8-bit linear sRGB values are involved. On the other hand, if no change to the 0.03928 threshold is planned soon, a note on the origin of that threshold should be added to the document.
The text was updated successfully, but these errors were encountered:
The value 0.03928 (as used in what was formerly a note to the "relative luminance" definition but what is now a "normative" part of that definition) comes from the sRGB proposal. This is outdated and either 0.04045 or 12.92 * 0.0031308 = 0.040449936 (I don't know which is used in the IEC standard) should appear in its place.
I understand, however, that all three thresholds don't make a difference in the results if only 8-bit linear sRGB values are involved. On the other hand, if no change to the 0.03928 threshold is planned soon, a note on the origin of that threshold should be added to the document.
The text was updated successfully, but these errors were encountered: