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Luminance blending

From: Photoshop CS5 One-on-One: Fundamentals

Video: Luminance blending

I've saved my progress this far as Violet Beauregarde.psd. Now we have done a great job of making this girl's skin blue just by rotating the skin tones around. But we've got blue hair as well, and the bigger problem at this point is that the image is so very washed out. So we need to burn the shadows in, in order to create richer, more volumetric forms. So here's how we're going to do that. We're going to use another Adjustment layer incidentally. So make sure the blueness layer is active, then go up to the Adjustments panel.

Luminance blending

I've saved my progress this far as Violet Beauregarde.psd. Now we have done a great job of making this girl's skin blue just by rotating the skin tones around. But we've got blue hair as well, and the bigger problem at this point is that the image is so very washed out. So we need to burn the shadows in, in order to create richer, more volumetric forms. So here's how we're going to do that. We're going to use another Adjustment layer incidentally. So make sure the blueness layer is active, then go up to the Adjustments panel.

And in order to see all the color adjustments that are available to us, you've got to click on this left pointing arrow head, and that will return to the adjustment list like so, and then I want you to create a new Brightness/Contrast layer, and that happens to be the very first icon in the upper-left corner. Now if you want to name the layer as you make it, which I suggest, then you press and hold the Alt or Option key. Once again, it forces a dialog box if one otherwise doesn't come up. So Alt or Option-click on that icon to display the New Layer dialog box, and let's go ahead and call this new layer deepen.

And I want you to turn on this check box right there. Use Previous Layer to Create Clipping Mask. That way we're only deepening the skin tones. That is, the area that's selected by this layer mask right here. We're not going to affect the grass in the background. And then click OK, and you can see that now this deepen layer is indented with this tiny little arrow icon telling you that you'll only see the effects of this layer inside of this layer below it. And we'll be coming back to clipping masks a few times over the course of this chapter.

Now I'm going to reduce the Brightness value here inside the Adjustments panel to -70, then I'm going to press the Tab key to advance to the Contrast value and take this up to a hundred. Do not turn on Use Legacy. That makes Brightness/Contrast behave like it used to back in the Photoshop CS2 in earlier days, which is to say abysmally. It did not behave itself worth beans back then. It used to clip colors. Now it does actually a great job. Now we've gone too far, but we're going to back off the effect, so -70 and a hundred.

Go ahead and close the Adjustments panel. Then what I want to do is I want you to notice that we have some weird colors inside the eyes, and we've got to clean up those areas, and we're going to do that by zooming in on the image. So I press Ctrl+Plus or Cmd+Plus, a few times. Look at that bad scrappy area on her brow as well. And then I'm going to press the Spacebar and drag the image over little so I can see those eyes, and I need to modify this layer mask right there, and I'm going to do that in order to see the layer mask independently of everything else around it.

Once again, you Alt-click, or you Option-click. So Alt-click or Option-click on that layer mask thumbnail. And you will see the layer mask onscreen, and now you'll notice how certain areas like that scrape are colored black inside of the layer mask, meaning that they're making those areas of this blue layer transparent and allowing the orangish skin tones to show from below. So now what I want you to do is grab the Lasso tool. You can also get by pressing the L key if you like, and I just want you to drag around this area.

You don't have to be too careful, drag around this right eye, her left, of course, and then take a look at your foreground and background colors. In my case, the background color is white. So you just press the Backspace key or the Delete key to fill that area with white, just to delete it and get rid of it. Then I'm going to press the Spacebar and drag the image down a little bit, so that I can see this left-hand eye, her right, of course. And I'll drag around this region in order to select it and press Backspace or Delete again, and if white isn't your background color, remember you can reverse the two by clicking on the Switch icon or pressing the X Key.

Now I'm going to click off the selection, deselect it, and I'm going to zoom out by pressing Ctrl+Minus or Cmd+Minus a couple of times, and let's see if there are a few other areas that need work. Like, for example, there's a little bit of nose, there's some neck area, there's this mouth right here, all of which need to go completely white. So I'll select them and press the Backspace key once again, or the Delete key on the Mac. Now we can return back to the image and you do that by Alt-clicking or Option- clicking on that layer Mask thumbnail there inside the layers palette again, and that will take you back to the image at hand, and you can see now that these eyes no longer have the weird colors inside of them, at least not the jagged color transitions.

We still have this interesting gold and violet and blue, of course. But we don't have the jagged transitions between one color and another. Now let's go back to the deepen layer. I don't want to darken her quite this much. I want to just sync the shadows in, that is make the shadows darker, which are the darkest colors, by the way, the shadows are. And then I want the highlights, which are the lightest colors to basically be left alone. And I can get that effect using this thing called Luminance Blending inside of Photoshop, and to get to the Luminance Blending options you make sure that the deepen layer is active.

Go up to the layer panel menu icon right there and click on it, in order to bring up this menu, and then choose Blending Options, or if you loaded dekeKeys, you can press Ctrl+Shift+O or Cmd+Shift+O on the Mac, and that'll bring up this big Layer Style dialog box. Then drop down to this Underlying Layer slider right there, which allows you to force colors through from the underlying image based on their luminance levels. That is, how dark or light they are. So, for example, if you want to force through the darkest colors so that we are seeing those colors instead of the adjusted modification.

Then you would drag this black slider triangle over to the right. Now obviously we don't want to do that, that looks terrible. So I'm going to move that black slider triangle back to the left, and instead, I'm going to reveal the light areas by dragging this white slider triangle to the left, and now anything with the luminance level of 150, which is pretty bright, or lighter, will force through the adjustment. However, we're getting some jagged transitions as you can see right here, and so notice if you look very carefully at this triangle it has a cleft in the middle of it.

That tells you that there's actually two triangles glued together right there. And if you want to separate them, guess what key you press? You press the Alt key or the Option key on the Mac. You're always pressing that key in this program. So Alt or Option-drag the right side of that white triangle all the way back to the beginning so that that top value says 255. So your values should read 0, 150/255 for Underlying Layer. Leave this layer alone, and then click on the OK button in order to accept your modification.

And now I'll zoom out so that we can take in the effect, and it looks pretty great. This is before. This is how the image looked at the outset of this exercise, very washed out and here are the richer, more volumetric shadows. Thanks to a Brightness/Contrast Adjustment layer with a little bit of Luminance Blending.

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This video is part of

Image for Photoshop CS5 One-on-One: Fundamentals
Photoshop CS5 One-on-One: Fundamentals

195 video lessons · 73830 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  1. 39m 52s
    1. Welcome to Photoshop CS5 One-on-One
      1m 49s
    2. Making Photoshop your default image editor
      7m 43s
    3. Installing the DekeKeys keyboard shortcuts
      8m 10s
    4. Remapping Mac OS shortcuts
      7m 37s
    5. Installing the Best Workflow color settings
      4m 31s
    6. The color settings explained
      6m 54s
    7. Loading the CS5 color settings in Bridge
      3m 8s
  2. 53m 36s
    1. There is nothing you can't do
      2m 1s
    2. The power of Photoshop
      4m 43s
    3. Duplicating a layer
      4m 49s
    4. Liquifying an image
      4m 43s
    5. Adding a layer mask
      5m 54s
    6. Loading an alpha channel
      7m 42s
    7. Selecting with Color Range
      4m 10s
    8. Making a Hue/Saturation layer
      2m 53s
    9. Luminance blending
      7m 21s
    10. Mask density
      5m 9s
    11. Making a knockout layer
      4m 11s
  3. 51m 23s
    1. The best way to work
      41s
    2. Setting General preferences
      5m 33s
    3. Changing the pasteboard color
      5m 41s
    4. File handling, performance, and units
      7m 25s
    5. Touring the Photoshop interface
      11m 5s
    6. Creating and saving a workspace
      7m 21s
    7. Changing settings and updating the workspace
      6m 4s
    8. Resetting the preferences
      7m 33s
  4. 2h 46m
    1. The amazing Adobe Bridge
      1m 17s
    2. Making a new image
      5m 11s
    3. Opening an image
      7m 7s
    4. Opening and closing multiple images
      5m 24s
    5. Opening a problem image
      4m 23s
    6. Adding file information
      8m 37s
    7. Introducing Adobe Bridge
      7m 37s
    8. A whirlwind tour of Bridge
      7m 21s
    9. Adjusting the interface and thumbnails
      8m 18s
    10. Using the full-screen preview
      8m 5s
    11. Rotating images on their sides
      5m 38s
    12. Assigning star ratings and labels
      8m 40s
    13. Filtering thumbnails in the Contents panel
      9m 13s
    14. Moving, copying, and deleting files
      6m 34s
    15. Creating and assigning keywords
      6m 38s
    16. Searches and collections
      7m 3s
    17. Batch-exporting JPEG files
      8m 57s
    18. Batch-renaming
      7m 15s
    19. String substitution and regular expressions
      8m 50s
    20. Grouping images into stacks
      7m 21s
    21. Comparing images in Review mode
      5m 58s
    22. Playing images in a slideshow
      4m 49s
    23. Customizing and saving the workspace
      7m 17s
    24. Using Mini Bridge in Photoshop CS5
      8m 36s
  5. 1h 1m
    1. Learning to swim inside an image
      37s
    2. The tabbed-window interface
      5m 19s
    3. Arranging image windows
      4m 26s
    4. Common ways to zoom
      5m 31s
    5. New zoom tricks in Photoshop CS5
      4m 24s
    6. Hidden old-school zoom tricks
      4m 34s
    7. Scrolling and panning images
      4m 8s
    8. Viewing the image at print size
      6m 42s
    9. The Navigator and "bird's-eye" scrolling
      2m 56s
    10. Nudging the screen from the keyboard
      2m 39s
    11. Scroll wheel tricks
      3m 41s
    12. The Rotate View tool
      3m 36s
    13. Cycling between screen modes
      6m 17s
    14. Using the numerical zoom value
      6m 14s
  6. 1h 6m
    1. Imaging fundamentals
      58s
    2. What is image size?
      7m 45s
    3. The Image Size command
      6m 0s
    4. Selecting an interpolation option
      4m 56s
    5. Upsampling versus "real" pixels
      5m 22s
    6. The penalty of pixels
      5m 35s
    7. Print size and resolution
      7m 26s
    8. Downsampling for print
      6m 39s
    9. Downsampling for email
      7m 28s
    10. Options for upsampling
      8m 13s
    11. Better ways to make a big image
      6m 1s
  7. 44m 43s
    1. Frame wide, crop tight
      1m 2s
    2. Using the Crop tool
      8m 8s
    3. Fixing out-of-canvas wedges
      5m 31s
    4. Crop tool presets
      6m 53s
    5. Previewing the crop angle
      4m 24s
    6. The Crop command
      4m 47s
    7. Straightening with the Ruler tool
      4m 18s
    8. Cropping without clipping
      5m 1s
    9. Perspective cropping
      4m 39s
  8. 1h 41m
    1. Making drab colors look better
      1m 20s
    2. Brightness and contrast
      4m 10s
    3. Adjusting numerical values
      4m 26s
    4. Introducing adjustment layers
      5m 17s
    5. Editing adjustment layers
      2m 51s
    6. Saving adjustment layers
      4m 35s
    7. Adding a quick layer mask
      4m 23s
    8. Introducing the Histogram
      4m 34s
    9. Working with the Histogram panel
      6m 27s
    10. Using Color Balance
      7m 18s
    11. Introducing the Variations command
      4m 51s
    12. Luminance and saturation controls
      3m 54s
    13. Fading a static adjustment
      3m 21s
    14. How hue and saturation work
      4m 28s
    15. Rotating hues and adjusting saturation
      6m 4s
    16. Creating a quick and dirty sepia tone
      4m 42s
    17. Adjusting hues selectively
      5m 32s
    18. The Target Adjustment tool
      4m 24s
    19. Photoshop CS5 Target Adjustment enhancements
      53s
    20. Adjusting the color of clothing
      8m 44s
    21. Enhancing a low-saturation image
      4m 23s
    22. Refining saturation with Vibrance
      5m 1s
  9. 1h 57m
    1. Photoshop versus the real world
      1m 21s
    2. Meet the selection tools
      10m 26s
    3. Marking the center of an image
      4m 9s
    4. Drawing a geometric selection outline
      4m 45s
    5. Blurring a selection outline with Feather
      6m 8s
    6. Copy and paste versus drag and drop
      5m 31s
    7. Creating a graduated selection
      4m 29s
    8. Aligning one image with another
      4m 45s
    9. Accessing the Move tool on the fly
      3m 34s
    10. Invert and Match Colors
      5m 4s
    11. Matching colors selectively
      3m 52s
    12. Feathering and filling a selection
      5m 14s
    13. Dressing up a composition with effects
      5m 34s
    14. The incredible image rotation trick
      2m 18s
    15. The Magic Wand tool
      4m 12s
    16. Tolerance and other options
      7m 7s
    17. Grow, Similar, and Inverse
      5m 39s
    18. Quick selection and the Magnetic Lasso
      7m 27s
    19. Evaluating a selection in Quick Mask
      8m 52s
    20. Saving and loading selections
      6m 14s
    21. Placing an image with a layer mask
      3m 23s
    22. Eliminating edge fringing
      7m 43s
  10. 1h 58m
    1. Brushing to correct
      56s
    2. How brushing works
      4m 52s
    3. Working with spacing
      7m 32s
    4. Changing size and hardness
      7m 45s
    5. The heads-up Color Picker
      7m 17s
    6. Flipping a mirror image
      3m 33s
    7. Setting the source for the History brush
      3m 42s
    8. Brightening details with the Dodge tool
      7m 49s
    9. Darkening details with the Burn tool
      3m 5s
    10. The Sponge tool
      4m 29s
    11. Backing off edits
      8m 4s
    12. Patching eye bags
      8m 57s
    13. Evening out flesh tones
      7m 23s
    14. Smoothing away whiskers
      7m 41s
    15. Reducing shadow noise
      7m 0s
    16. How healing works
      4m 40s
    17. The enhanced Spot Healing brush
      4m 52s
    18. Using the better Healing brush
      4m 23s
    19. Introducing the Clone Source panel
      3m 49s
    20. Cloning from one layer to another
      5m 30s
    21. Working with multiple sources
      4m 44s
  11. 1h 23m
    1. The layered composition
      1m 0s
    2. Making a new background layer
      6m 58s
    3. Working with "big layers"
      6m 24s
    4. Move, Duplicate, and Scale
      4m 11s
    5. Transforming a copy and repeat
      5m 15s
    6. Stacking order and eyedropping a layer
      5m 15s
    7. Adjusting multiple layers at once
      4m 22s
    8. Switching between layers
      4m 56s
    9. Making a digital star field
      5m 9s
    10. Blend mode and clipping mask
      4m 50s
    11. Dragging and dropping from your desktop
      4m 38s
    12. Black + Lens Flare = glow
      6m 16s
    13. Locking transparency
      5m 42s
    14. Adding gradient layers
      8m 12s
    15. Stacking an adjustment layer
      4m 12s
    16. Adding shadow and stroke
      6m 9s
  12. 1h 17m
    1. Outputting from Photoshop and Bridge
      1m 32s
    2. Printing an RGB composite
      5m 31s
    3. Customizing the subjective print file
      3m 15s
    4. Gauging print size
      5m 35s
    5. Scale, position, and page orientation
      5m 6s
    6. Three important printing curiosities
      4m 41s
    7. Introducing the Output options
      5m 34s
    8. Establishing a bleed
      5m 52s
    9. Using the Color Management options
      7m 21s
    10. Generating a PDF contact sheet
      6m 18s
    11. Creating a contact sheet template
      6m 8s
    12. Saving and opening a PDF contact sheet
      4m 18s
    13. Introducing the Web Gallery
      7m 53s
    14. Exporting and editing an HTML site
      3m 58s
    15. The Airtight Photocard site
      4m 56s
  13. 1h 9m
    1. Rules of the web
      1m 1s
    2. Introducing web graphics
      6m 59s
    3. A first look at Save for Web
      5m 47s
    4. Scaling a layered image versus a flat one
      7m 30s
    5. Incremental downsampling
      3m 1s
    6. Adding text, bar, and stroke
      4m 24s
    7. Assigning copyright and metadata
      6m 21s
    8. Comparing GIF, JPEG, and PNG
      4m 59s
    9. Determining the perfect JPEG settings
      6m 31s
    10. Saving metadata
      3m 52s
    11. Working with an unprofiled RGB image
      4m 35s
    12. Downsampling graphic art
      4m 49s
    13. Saving a GIF graphic
      6m 1s
    14. Antiquated GIF versus the better PNG
      4m 6s
  14. 1m 37s
    1. Until next time
      1m 37s

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