[wp-trac] [WordPress Trac] #47840: Weird colors when users upload CMYK JPG images

WordPress Trac noreply at wordpress.org
Tue Aug 6 10:51:18 UTC 2019


#47840: Weird colors when users upload CMYK JPG images
-------------------------+------------------------------
 Reporter:  lexo_ch      |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Media        |     Version:  5.2.2
 Severity:  minor        |  Resolution:
 Keywords:  needs-patch  |     Focuses:  ui
-------------------------+------------------------------
Changes (by SergeyBiryukov):

 * component:  Gallery => Media


Old description:

> When a user uploads an image which uses the CMYK color spectrum and
> WordPress applies its magic to the image the colors become very much
> mixed up.
>
> It would be nice if Wordpress would recognize the image format and
> perhaps convert the CMYK image to an RGB before applying the image
> optimizations.
>
> How to reproduce the problem?
> 1. Go to Gallery (media)
> 2. Upload a JPG image which uses the CMYK color spectrum
> 3. Watch how e.g. the color green becomes yellow ;)

New description:

 When a user uploads an image which uses the CMYK color spectrum and
 WordPress applies its magic to the image the colors become very much mixed
 up.

 It would be nice if WordPress would recognize the image format and perhaps
 convert the CMYK image to an RGB before applying the image optimizations.

 How to reproduce the problem?
 1. Go to Gallery (media)
 2. Upload a JPG image which uses the CMYK color spectrum
 3. Watch how e.g. the color green becomes yellow ;)

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Ticket URL: <https://core.trac.wordpress.org/ticket/47840#comment:1>
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