Re: Adobe RGB (1998) = opRGB ?
Re: Adobe RGB (1998) = opRGB ?
- Subject: Re: Adobe RGB (1998) = opRGB ?
- From: edmund ronald via colorsync-users <email@hidden>
- Date: Tue, 11 Apr 2023 13:37:48 +0200
Hi Graeme,
As you are one of the few people who understand this, maybe you could
explain the difference to us.
I believe that the real problem with AdobeRGB has always been that the
name itself is copyrighted although the data is not.
Edmund
On Tue, Apr 11, 2023 at 5:26 AM Graeme Gill via colorsync-users <
email@hidden> wrote:
> Jeff Nova via colorsync-users wrote:
> > https://en.wikipedia.org/wiki/Adobe_RGB_color_space
> > States that Adobe RGB (1998) and opRGB (IEC 61966-2-5:2007) are
> identical.
>
> The specs here <https://www.color.org/chardata/rgb/oprgb.xalter>
> which claim to be from IEC 61966-2-5:2007 are certainly the same as
> Adobe RGB as far as the primaries, white point and gamma curves.
>
> Some of the secondary numbers (viewing conditions) seem
> to differ slightly. Whether this is of any importance depends on
> your intended use of the specs.
>
> Cheers,
> Graeme Gill.
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