I remember the 'genealogy' of AdobeRGB had something to do with SMTPE-240M (just could not remember the exact SMPTE 'number' -- thanks!). Is the mix of Apple users leaning more towards video/cinema than photography/print these days, to your knowledge? / Roger -----Original Message----- From: colorsync-users <colorsync-users-bounces+graxx=videotron.ca@lists.apple.com> On Behalf Of Andrew Rodney via colorsync-users Sent: December 3, 2019 4:20 PM To: 'colorsync-users?lists.apple.com' List <colorsync-users@lists.apple.com> Subject: Re: iMac 27" 5K Retina It is useful to know where Adobe stands here. First of all, forget the name (Adobe RGB (1998) ) and believe it's something Adobe pushed or even proposed. In the first version of Photoshop 5.0, where ICC color management was introduced, the working space was called SMPTE-240M and it was as the name implies, was supposed to be a color space proposed by SMPTE. But Adobe got the chromaticity values off the web, one or two were wrong. They didn't realize this fact until after Photoshop 5.0 shipped when SMPTE told them of the mistake. Adobe changed the name to "Adobe RGB (1998)" because they of course could not call it SMPTE-240M; it wasn't that color space. So Adobe has no dog in the fight here about RGB working spaces despite having one with their name on it. It wasn't the intent. DCI-P3 is a newer proposed color space I believe, and based on Apple's users, and the fact the 'other' color space has 'Adobe' in the name, aimed for a different target (which isn't really that much of a difference). Andrew Rodney http://www.digitaldog.net/ <http://www.digitaldog.net/>

On Dec 3, 2019, at 1:58 PM, Roger Breton via colorsync-users <colorsync-users@lists.apple.com> wrote:

Finally had the chance of measuring the primaries on an iMac 27" 5K Retina (latest INTEL Corei9 processor, 1TB SSD, the works). The numbers don't lie, Apple is on the side of "P3", voluntarily distancing themselves from Adobe,

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