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Image color changes after downloading photo from web


DVRKSUN

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Hello, does anyone understand if it's my macbook pro or something else that changes the tone of my photos when I save them from a website? It's strange because sometimes the photo will be slightly yet visibly more red or yellow. It's frustrating because it sometimes happens when I upload photos. Anyone know what's going on?
 

Tom Mann

Guru
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It almost certainly is due to that photo being posted in some color space other than sRGB. There are quite a few threads on this topic both here on PSG, and elsewhere on the web. Google something like {tag ICC profile prophoto color space convert assign site:photoshopgurus.com} and you will turn up a lot of useful, but complicated information.

Look them over and see if they make sense. For example, see:

http://www.gballard.net/psd/cmstheory.html

http://www.gballard.net/psd/go_live_page_profile/embeddedJPEGprofiles.html

https://www.photoshopgurus.com/forum/general-photoshop-board/48322-images-have-different-colors.html (start with post #10)

https://www.photoshopgurus.com/foru...e-photoshopgurus-com-fully-color-managed.html

https://www.photoshopgurus.com/foru.../52721-prophoto-rgb-photos-look-dark-web.html


If you want to summarize the above in one sentence, it is: ALWAYS POST IMAGES TO THE WEB IN sRGB, NOT ANY OTHER COLOR SPACE (e.g., Adobe RGB, ProPhoto RGB, CMYK, etc.)

HTH,

Tom M
 

sstjohn

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Is this by default when viewing them in a photo viewing app, or does it only happen when you open them in PS? If it is when you open them in PS, check your default settings. You might have the default set for CMYK, gray scale, or some other anomaly that is offsetting the original color variation. Do you notice it after you have edited the image in PS?
 

Tom Mann

Guru
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@sstjohn - Although the OP didn't include in his post important information (...such as what you asked for), if, as you suggested, his working color space was either grayscale or CMYK, no one would ever describe the effects on viewing the image in PS as, "...slightly yet visibly more red or yellow...". He would see either no color at all, or slightly muted colors, NOT more saturated colors. Problems such as he described almost always come from more subtle changes such as not distinguishing between one RGB profile (eg, sRGB), and another RGB profile (eg, ProFoto), and this usually comes from poor color management practices such as assigning a color profile when they should have converted the profile, or posting to the web using some RGB profile other than sRGB.

Tom M
 

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