Quote:
Originally Posted by LarsB
This should be so easy – I have got to be missing something obvious. I am starting with 300 or 600 ppi TIFFs. I use Image>Image Size… to resize to 72 ppi and set the long side to 600 pixels. Transfer the image to ImageReady. In the Optimize tab in the Optimize palette, I set Format to JPEG and Quality to Maximum. Then File>Save Optimized as … to save the file. Comparing the original TIFF with the new JPEG, the JPEG’s colors look very dull. What am I doing wrong?
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You are making it way to hard. There are two factors at play.
1. Colorspace --- if the color space is Adobe RGB or some color space other than sRGB, then when you do a Save Optimized, you are going to get a color shift. So before saving, change the color space to sRGB.
2. Use File | Save for Web right in Photoshop and use its image resize tab to change the size of the image. If you want to use Image | Image size, then ignore the resolution, just change the pixel width as needed. So there is no reason to even open ImageReady.
Here is a shot showing the typical color shift problem:
Image on left is in Adobe RGB color space. Image on right is as saved using file | Save for web. You can see the color shift this causes. So in this example I should first change the color space on the left to sRGB and the photo will still look the same on the left, but then would look the same as it on the right (after save for web).
Cheers,
rfs