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Easy color adjustments using the two-pass method

From: Processing Product Photos with Photoshop

Video: Easy color adjustments using the two-pass method

An easy but professional method to achieve good color So, here we have my image and it's a In color balance, I can go into my mid tones on the red channel.

Easy color adjustments using the two-pass method

An easy but professional method to achieve good color correction is a method called the two-pass color correction. This will allow me to adjust an RGB image and then bring the colors more in range with the CMYK workflow. First, we'll review the method using levels, and then I'll show you a great way to get a live preview of proofing the colors using split windows. So, here we have my image and it's a pretty good starting image, but I need to adjust the color just a little bit to get a little more contrast and deepen the turquoise just a bit. Working non-destructively, I'm going to open my levels adjustment layer.

And again, this gives me a histogram showing me my shadows, mid tones, and highlights, but this view right now is a composite of the RGB image. In order to achieve color correction for this, I'm going to go into the individual channels for red, green, and blue and adjust accordingly. Starting with the red, I see my history in here with shadows, highlights, and mid tones. What I'm looking for is for the histogram to reach the shadows and highlights range on both sides. In this case, the red channel looks pretty good. So, then I'm going to go to the green channel and check for that.

The green channel does look a little low, so I'm going to grab my shadow slider and pull it to the beginning of the histogram on the left and my highlights, so the beginning of the histogram on the right. Then, I'll go to the blue channel and adjust accordingly. This is the first pass of the two pass color correction method. The second pass is actually color balance, just like we talked about in the other movie. In color balance, I can go into my mid tones on the red channel. And on the left, I have red, on the right, I have cyan, and I can start to balance this out. And then I go to my green channel, and on the green channel, I have green and magenta.

And then finally, on my blue channel, I have blue and yellow. So, I can go through and adjust accordingly. And this looks pretty good, I've got a terracotta behind this. My turquoise looks a little deeper, I popped some of the colors down here almost the other sides of the jewelry. That looks pretty good. So, that's the initial start of a two pass color correction. Now, to preview this and see what it will look like as CNYK, what I can do is go to my Window menu to arrange and I can say New Window for Jewelry Set.

And when I select that, it's going to give me a second window. It's a mirror. It's just a copy of my other file. If I go to Window> Arrange, I can then tell it to Tile All Vertically, and it puts it as a two-up window. Now, this is exactly the same. If I make a selection in this window, the selection will show up in this window as well. What I can then do is tell it to proof the colors. And the Proof the Colors will show me in one of my windows, a CMYK preview. So I can see what this looks like as CMYK before I commit to it as I am doing my color correction.

So, over here I can come back over, double-click on Levels, and check my adjustments and as I go through and adjust, I can watch a preview as a CMYK document.

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This video is part of

Image for Processing Product Photos with Photoshop
Processing Product Photos with Photoshop

46 video lessons · 4441 viewers

Kevin Stohlmeyer
Author

 
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  1. 1m 17s
    1. Welcome
      56s
    2. Using the exercise files
      21s
  2. 6m 41s
    1. Getting started
      50s
    2. Starting with the right photograph
      1m 55s
    3. Utilizing colored or white backgrounds in Photoshop
      1m 28s
    4. Setting up your tablet for detail work
      2m 28s
  3. 12m 37s
    1. Using RGB vs. CMYK color spaces
      1m 17s
    2. Using adjustment layers vs. the Adjustment menu
      2m 4s
    3. Adjusting exposure in Photoshop
      3m 47s
    4. Easy color adjustments using the two-pass method
      2m 59s
    5. Removing color casts from backgrounds
      2m 30s
  4. 16m 31s
    1. Retouching overview
      19s
    2. Setting up your file for nondestructive editing in Photoshop
      1m 26s
    3. Using filters to remove dust and scratches
      2m 58s
    4. Cleaning up your image with healing tools
      3m 49s
    5. Utilizing the Clone Stamp tool to its fullest potential
      2m 20s
    6. Understanding the Clone Source panel
      2m 48s
    7. Using the Content-Aware Patch and Spot Healing tools
      2m 51s
  5. 12m 40s
    1. When do you use a mask or a path?
      1m 15s
    2. Creating an accurate path using the Pen tool
      2m 51s
    3. Saving your work path and creating a clipping path
      1m 56s
    4. Making an initial selection with selection tools
      2m 14s
    5. Cleaning up your selection
      3m 3s
    6. Creating a layer mask from a selection
      1m 21s
  6. 10m 58s
    1. How does light affect your product's shadow?
      1m 17s
    2. Using the original source to create a shadow
      1m 51s
    3. Creating your own shadow using brushes
      2m 54s
    4. Adding realism to your shadow with filters
      2m 54s
    5. Using blending modes to add your shadow to the background
      2m 2s
  7. 10m 39s
    1. Enhancing the product
      17s
    2. Adding product labels with vector art
      1m 29s
    3. Transforming the label
      1m 48s
    4. Adding realistic highlights
      2m 47s
    5. Replacing product colors with adjustment layers
      2m 33s
    6. Using layer comps for alternative versions
      1m 45s
  8. 19m 10s
    1. What are ideal files for automation?
      45s
    2. How to create an action in Photoshop
      2m 5s
    3. The batch-automation process
      2m 25s
    4. Automating color correction
      1m 27s
    5. Automating shadow creation
      2m 14s
    6. Automating image sizes for print and the web
      1m 49s
    7. Using conditional actions in Photoshop
      2m 52s
    8. Outputting your file to multiple formats
      1m 31s
    9. Adding metadata using templates in Adobe Bridge
      1m 15s
    10. Batch renaming files using Adobe Bridge
      2m 47s
  9. 29s
    1. Next steps
      29s

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