IEVref:845-22-063ID:
Language:enStatus: Standard
Term: lightness, <of a related colour>
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Definition: brightness of an area judged relative to the brightness of a similarly illuminated area that appears to be white or highly transmitting

Note 1 to entry: Only related colours exhibit lightness.

Note 2 to entry: This entry was numbered 845-02-31 in IEC 60050-845:1987.


Publication date:2020-12
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