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The Digital Photography Workflow Handbook by Uwe Steinmueller, Juergen Gulbins

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Correcting Color Casts in Shadows

Shadows often display strong blue casts that become even more obvious when printed. Daylight photos are generally lit by two main light sources:

  • Direct sunlight

  • Blue sky

Shadows are lit mainly by light reflected from the sky and therefore have a blue tint.

Using Photoshop Tools

Figure 8-43 shows a detail of a photo with a pronounced blue cast. We correct the cast using the following steps:

  1. We create a new Hue/Saturation adjustment layer.

  2. In the Color Range menu, we select Blues and click on the sky using the eyedropper. We then make sure that we have corrected the appropriate colors by temporarily increasing Saturation to 100%.

The preview in Figure 8-44 shows that only the shadows are affected by our adjustment. If necessary, ...

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