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Photoshop for Designers: Color
Illustration by John Hersey

Enhancing a sunrise with a gradient map


From:

Photoshop for Designers: Color

with Nigel French

Video: Enhancing a sunrise with a gradient map

In this movie we're going to see how we can use a gradient map to intensify a sunset, I have here a Gradient Map adjustment layer applied to this image. Here is how it looks without it, and here is how it looks with it. So I'm going to turn it off and we're going to recreate this. So the purpose of the gradient map in this context, and I'll be using it in another context in a latter movie, but here, what we can do is we can map specific tonal values in that image to specific colors.
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  1. 1m 41s
    1. Welcome
      1m 0s
    2. Using the exercise files
      41s
  2. 25m 26s
    1. Defining color terms
      2m 38s
    2. Understanding the color wheel
      4m 3s
    3. Understanding color relationships
      1m 7s
    4. Using Kuler to understand color harmony rules and create color palettes
      4m 2s
    5. Using the Kuler web site
      3m 10s
    6. Colors on screen and on paper
      1m 42s
    7. Color as a signifier
      3m 14s
    8. Color inspirations
      2m 39s
    9. Color and accessibility
      2m 51s
  3. 38m 22s
    1. Demystifying the Color Picker
      2m 57s
    2. Understanding the role of foreground and background colors
      5m 39s
    3. Choosing colors
      6m 41s
    4. Managing swatches
      7m 40s
    5. Transparency
      9m 42s
    6. Color channels
      5m 43s
  4. 41m 4s
    1. Understanding additive and subtractive color
      2m 57s
    2. RGB mode
      1m 56s
    3. CMYK mode
      2m 41s
    4. Lab mode
      3m 49s
    5. Indexed mode
      2m 16s
    6. Grayscale mode
      5m 0s
    7. Color management
      14m 15s
    8. Color depth (8-, 16-, 24-, and 32-bit)
      4m 19s
    9. Monitor calibration
      3m 51s
  5. 26m 43s
    1. Evaluating color with the Histogram panel
      3m 18s
    2. Evaluating color with the Info panel
      1m 48s
    3. Boosting color with levels
      3m 48s
    4. Auto Tone and Auto Contrast
      7m 38s
    5. Manually setting the black and white point
      3m 50s
    6. Curves
      6m 21s
  6. 18m 30s
    1. What is color correction?
      5m 45s
    2. White balancing in Camera Raw
      1m 46s
    3. Color correction with color balance
      1m 34s
    4. Color balancing using photo filters
      1m 26s
    5. Color correction with variations
      4m 27s
    6. Color correction by the numbers
      3m 32s
  7. 33m 14s
    1. Selecting color with the Magic Wand
      4m 43s
    2. Selecting color with the Quick Selection tool
      2m 26s
    3. Selecting color with Color Range
      4m 0s
    4. Neutralizing whites with the Multiply blend mode
      2m 55s
    5. Neutralizing blacks with the Screen blend mode
      57s
    6. Masking colors with the Blend If sliders
      2m 54s
    7. Masking hair with a channel mask and removing contaminant colors
      2m 58s
    8. Shifting targeted colors using Hue/Saturation
      5m 4s
    9. Matching colors using Hue/Saturation
      3m 16s
    10. Matching colors using the Match Color command
      1m 36s
    11. Matching colors using the Color blend modes
      2m 25s
  8. 21m 8s
    1. Saturating colors
      4m 9s
    2. Desaturating colors
      1m 57s
    3. Desaturating in Camera Raw
      3m 1s
    4. Creating a color accent with selective saturation
      2m 38s
    5. Enhancing a sunrise with a gradient map
      5m 49s
    6. Increasing vibrance
      1m 19s
    7. Using selective color
      2m 15s
  9. 32m 42s
    1. Designing with spot colors
      12m 15s
    2. Adding a fifth color to a CMYK image
      5m 0s
    3. Adding spot colors to a grayscale image
      5m 24s
    4. Create a metallic print effect
      3m 8s
    5. Creating duotones, tritones, and quadtones
      6m 55s
  10. 30m 45s
    1. Creating a silkscreen print look with a limited color palette
      7m 59s
    2. Combining color with black and white
      2m 22s
    3. Creating a nostalgic travel poster using the Cut Out filter
      6m 27s
    4. Mapping an image to a color look up table (CLUT)
      7m 56s
    5. Converting to black and white
      6m 1s
  11. 48m 34s
    1. Creating a hand-tinted portrait (the easy way)
      3m 29s
    2. Creating a hand-tinted portrait (the harder way)
      11m 23s
    3. Creating an Andy Warhol look
      4m 44s
    4. Applying a gradient map
      4m 4s
    5. Sepia toning an image
      8m 41s
    6. Color tinting an image
      5m 15s
    7. Split toning an image
      2m 9s
    8. Working with line art
      8m 49s
  12. 23s
    1. Goodbye
      23s

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Photoshop for Designers: Color
5h 18m Intermediate Jan 04, 2012

Viewers: in countries Watching now:

In this Photoshop for Designers course, Nigel French focuses on the tools and features in Photoshop designed for choosing, applying, and editing color. The course looks at concepts such as the color wheel and color harmonies as well as the practicalities of using the Color Picker, leveraging the power of color channels, and the characteristics of different color modes in Photoshop. The course includes exercises on correcting color, enhancing color, shifting and replacing colors, working with spot color channels, hand coloring black and white images, and designing with a reduced color palette.

Topics include:
  • Defining color terms
  • Using Kuler to create color palettes
  • Understanding additive and subtractive color
  • Understanding color management
  • Using the Levels, Curves, Auto Tone, and Auto Contrast adjustments
  • Color correction
  • Selecting color—from the Magic Wand to Color Range
  • Neutralizing blacks and whites with blend modes
  • Matching colors
  • Saturating and de-saturating colors
  • Increasing saturation with Vibrance
  • Designing with spot color
  • Colorizing images
Subjects:
Design Color Design Techniques
Software:
Photoshop
Author:
Nigel French

Enhancing a sunrise with a gradient map

In this movie we're going to see how we can use a gradient map to intensify a sunset, I have here a Gradient Map adjustment layer applied to this image. Here is how it looks without it, and here is how it looks with it. So I'm going to turn it off and we're going to recreate this. So the purpose of the gradient map in this context, and I'll be using it in another context in a latter movie, but here, what we can do is we can map specific tonal values in that image to specific colors.

I'm going to sample the colors of the sky and then map those colors to my gradient map from my highlights, to my midtones. So I'm choosing my Eyedropper tool and I'm coming and exampling this sort of bluey gray color at the top of the sky. That's going to be my foreground color. Now that's turned out a little bit too gray, and in fact, I would like to introduce more blue into the sky. So I'm going to click on that foreground color and then I'm going to change the Hue of the color by using the color slider to a more blue Hue.

I'm then going to increase the saturation of that color by dragging the color over to the right and let's go for something like that, and mostly I'm going to increase the brightness of it. So that's my foreground color, and now I'm going to sample the orange from near the horizon and that's going to be my background color. To sample it as my background color, I'm going to hold down my Option or my Alt key and click on the color. And I think I would also like that to be a little bit brighter than it turned out to be, and a little bit more orange.

So I'm going to move to mostly orange colors and I'm going to increase the Saturation and I'm going to increase the Brightness, so that is my background color. So now I'm going to come and add a Gradient Map adjustment layer, which immediately takes on my foreground and background colors, and this right here is interesting, and this may be one of those happy Photoshop accidents where you think, oh, I never thought of that, and I quite like the image like this.

But this is not really what I'm after here. What I need to do is limit the range of the gradient map, so that only happens within the tonal values of the sky, we don't want to happening in the buildings or in the dock that's in the foreground. So I'm going to click on the Gradient Map and I'm going to adjust the gradient. So currently, it's going from the shadows, over here, you'll see that the Blue is going into the shadow areas and the orange is going into the highlight areas.

I actually want to want to switch that around, because I want the blue going into the highlight areas. So before I do anything, I'm going to come click on Reverse and then come back. And now what I'm going to do is I'm going to get the orange Color Stop, which represents the tonal values of the shadows and bring this to about halfway, and we can see now that we have the blue transitioning to the orange and the orange is continuing from the midtown values into the shadows.

Knowing in advance that I'm going to apply the multiply blend mode to this gradient map, I'm going to add a third color, and that third color is going to be white, because multiply neutralizes white, so I'm going to choose white as my third color. Interestingly you can see what that's doing; the shadow areas of the image are now transitioning from orange to white. I want to make that transition a little bit more drastic, so I'm going to drag the color midpoint to the left, and then I'm also going to experiment with the position, and then I'm also going to experiment with the location of the orange slider.

I'm looking down here at the very horizon line where I can see the orange is not completely filling that area, so I need to move this to the left, until it does, and I'm also going to adjust the transition between the blue and the orange, because I would like a little bit more orange, and a little bit less blue, so I'm going to move that color midpoint slider slightly to the left. Now at this point I like the way my gradient map looks I now need to change the blending mode of this adjustment layer to Multiply, so that all of the white areas of that gradient map are neutralized.

Now what I can do to dial down this effect is just reduce the opacity and I can adjust that to taste, and if I don't like the affect of the orange on the highlights in the water, then I could as I did on my original version, add a layer mask to this gradient map adjustment layer. I'll choose my Gradient tool, I'll need to make sure that black is my foreground color and I have a Foreground to Transparent, Gradient and then I'm just going to drag up from the bottom, I'll just reduce my view size slightly, so we can see the full extent of the image and then I'm going to drag up from the bottom to slightly less than the halfway point of the image, and that will mask the effects of the gradient map in the foreground.

So the gradient map is now only affecting the sunset, and it's introducing more intense colors and richness into the sunset.

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