color space issues - DPChallenge Forums

Canon 12x IS USM (S3 IS built-in Lens) -- 36-432mm (35mm EQ)

02/22/2014 05:24:30 PM · #26

Here is a screen grab of both the image as it appears on my computer (and on that site's uploaded page), and how it appears at checkout, after cropping.

Obviously, something is happening on their end between the cropping action and the checkout display.

GeneralE

Canon PowerShot S3 IS

02/22/2014 05:31:53 PM · #27

Just for fun, go pretend to purchase the same image on glossy paper and see if you get the same shift -- it is possible they are previewing it as it will appear on the metal substrate -- you may need a printer profile calibrated for metal prints.

BTW: I have a common form of red/green color-blindness and cannot be relied upon to see some small color shifts. :-(

Canon EF 24-105mm f/4L IS II USM Lens

02/22/2014 06:01:13 PM · #28

Nope, I've ordered metal prints from them before, and what I saw was what I got.

hahn23

Canon EOS-5D Mark IV

02/22/2014 06:48:32 PM · #29

White High Gloss vs. Sheer

Canon 12x IS USM (S3 IS built-in Lens) -- 36-432mm (35mm EQ)

02/22/2014 07:37:42 PM · #30

Originally posted by hahn23:

White High Gloss vs. Sheer

This is who I ultimately ordered from, in the high gloss finish. But I was doing so from PIOC without any issues until now.

GeneralE

Canon PowerShot S3 IS

02/22/2014 07:45:07 PM · #31

Have you contacted customer support yet -- I didn't ssee that mentioned?

Tiberius

Samsung Galaxy S22, S22+, S22 Ultra

Panasonic Lumix G 14mm F2.5 ASPH

02/22/2014 08:15:57 PM · #32

Maybe unrelated but:

Just these couple of days I was noticing some issues. When in CS6 and save as jpg the image lost its colors. Yesterday I did changed the tiff I was editing to 8 bit before saving as and it worked.

Message edited by author 2014-02-22 20:17:33.

Tamron AF 18-270mm F/3,5-6,3 Di II VC LD Aspherical [IF] macro for Canon

02/22/2014 08:36:14 PM · #33

Originally posted by GeneralE:

Have you contacted customer support yet -- I didn't ssee that mentioned?

Yes, I had several email exchanges with them, and that's when they mentioned that they just converted the uploaded image from LAB to rgb. When I said I had not either worked nor saved in LAB, they asked for the jpg again and they reported back that it was in rgb, so no progress there.

Tib, it sounds related, if slightly different. I don't notice a reduction in color when I saved the image in jpg, only when I uploaded and went to checkout.

Regardless, I have a temporary workaround by going to another lab, but it would sure be nice to know why this is happening.

Nokia N900

05/05/2014 11:31:35 PM · #34

Originally posted by tanguera:

Nope. If I "save as" jpg, the only box available under color is "ICC Profile: ProPhoto RGB". The box above it - Use Proof Setup: working CMYK - is grayed out, and anyway, the wrong color space. If I save for web, thre is a "convert to sRGB: box, which is checked. Also, the embed color profile box is checked. When I save this way, and upload it, there does not seem to be an issue with the color on the print site. But I want to know it shifts color when I save as jpg....

You are saving to Kodak ProPboto RGB in the first case, rather than sRGB, which explains the difference you are seeing. sRGB is the standard Web colour space. Adobe RGB (not mentioned here) has a wider gamut, meaning that more colours can be represented in Adobe RGB than in sRGB, assuming the software knows hpw to do so (and the hardware has the ability-mpst sysyems will need to map the woder gamut to sRGB).

ProPhoto RGB is an even wider gamut than Adobe RGB. It is so large, that if you were to pick ten random colours it can represent, at least one of these would not be able to exist in reality.