Color Halftone

Dark skies

Natural reversal

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Layers ^jlels I Paths Difference v Opacity: 100% > (3

Hue

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Background Q

This recipe produces an image that is similar to the original and with its highlights more saturated, but reverses and reduces contrast in the shadows and midtones. It usually results in a darkening of the image, but this can be fine-tuned by adjusting the Difference layer.

With this night shot, notice how the brightly lit church is almost as the original, but reversal occurs in the shadows To fix this, I reduced the opacity of the Difference layer

In this example, a much lower opacity was set for the Difference layer, which produced a combination of natural and reversed tones

1 In the Layers palette, duplicate the original image layer by dragging the background layer onto the "Create a new layer" icon, or use Ctrl/Cmd-J

2 Using the pull-down blending mode menu in the Layers palette or the shortcut Alt/Opt-Shift-S, change the new layer's blending mode to Screen and name it "Screen "

3 In the Layers palette, use Ctrl/Cmd-J to make another copy of the background layer and drag the new layer to the top of the layer stack

4 Change the new layer's blending mode to Exclusion using the pull-down menu or the shortcut Alt/Opt-Shift-X and name it "Exclusion "

Original image.

5 Invert the Exclusion layer using Ctrl/Cmd-I

Original image.

ifference

Q Hue

0 A Difference Q Exclusion

O A Screen

B 100

B 100

B 100

B 100

C 100

C 30

C 100

C 100

Q Hue

Q A Difference 0 Exclusion

Q A Screen

B 100

B 100

B 100

B 100

C 100

C 15

C 100

C 100

5 Invert the Exclusion layer using Ctrl/Cmd-I

6 Use Ctrl/Cmd-J to duplicate the Exclusion layer, then change the new layer's blending mode to Difference using the pull-down menu or the shortcut Alt/Opt-Shift-E Name the layer "Difference."

7 Set the Difference layer's fill opacity to 50%—this is a starting point and can be fine-tuned afterward

8 In the Layers palette, use Ctrl/Cmd-J to make another copy of the background layer and drag it to the top of the layer stack

9 Change the new layer's blending mode to Hue using Alt/Opt-Shift-U and name it "Hue "

Positive reversal

Ghostly effect

Saturated color

Here, the white of the clown's face remains a positive image, but tonal reversals occur all over the rest of this colorful image

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Again, for this image to work, I had to reduce the opacity of Here, the result is highly saturated I also added a little blur to the Difference layer the Hue layer, which resulted in colored edges tJi

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1 Layers

Channels 1 Paths

J Difference w:Opadty: 100% ► Q

I Lock: □ J * a RI.I: 30% > Q

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0

A

Hue

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0

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Hue

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0

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30

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Exclusion

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Screen

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0

A

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B

100

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0

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Hue

B

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Difference

B

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0

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Exclusion

B

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100

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