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Ive <ive### [at] lilysoft org> wrote:
> Am 10/18/2017 um 14:24 schrieb Kenneth:
> >
> > I can't say that I know exactly what I'm doing with this experiment-- ha!--
> > but is 0.72941 the correct value for the gamma 2.2 swatch? (I assume it
> > is, of course, but I wanted an expert's opinion.)
> >
> Calculate for yourself: 0.5 ^ (1 / 2.2) = ?
0.72941 ! (or almost)
But I was somehow thinking (in a fuzzy way) that the gray swatch for gamma 2.2
should perhaps measure as 0.5 instead-- with 0.5^2.2 resulting in .217, the
'gamma corrected' equivalent of 'half brightness' (0.5). In any case, it was
just some 'idle philosophical thought' ;-) But I wanted to make sure that the
gray swatches themselves had been well thought-out, all those eons ago.
> Also note that sRGB is NOT equal to gamma 2.2.
Agreed; I simply think of 2.2 and sRGB as 'functionl equivalents', more or less,
practically speaking.
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