Re: Lab values with a decimal
Re: Lab values with a decimal
- Subject: Re: Lab values with a decimal
- From: Graeme Gill <email@hidden>
- Date: Mon, 09 Apr 2018 21:08:05 +1000
Thomas Richard wrote:
Hi,
> Same thing for greens: up from 0/135/0 to 0/255/0 the a* is -128. Values of
> 136G an
> above are imaginary colors.
sorry, this isn't true. 128 is an arbitrary limit imposed by particular
computer encoding (i.e. 8 bit L*a*b* encoding). There are perfectly real
(i.e. within the spectrum locus) colors with a* or b* values outside
the -128 to 128 range.
Cheers,
Graeme Gill.
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