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Paper title:

DSDN144 Digital Photographics

Exercise:

Altering the tones of black and white photographs

1.

Open Boat Scene in the Exercise - Colourising B/W folder in the course folder.

2.

Go to the Layers Palette and add a Hue/Saturation adjustment layer.

3.

Take the Saturation all the way down to zero so that the photograph now looks black and white, click OK.

4.

Click back on the Background layer in the Layers Palette and add another Hue/Saturation adjustment layer. Without changing anything in the dialogue box click OK.

5.

Set the Blending Mode of this Hue/Saturation adjustment layer to Color (just below the Layers tab on the palette).

6.

Double click on this same layer to reopen it. Move the Hue slider, notice how the tones of grey change.

7.

Experiment with the Hue slider until you find a tonal combination that you like.

8.

Once you are happy with the way your image looks, flatten it and save.

Colourising a Black and White Photograph This next technique is a simple way to add a colour tone to a black and white photograph. 1.

Open the Door image in the folder.

2.

From the Image menu select Mode then RGB.

3.

Go to the Layers Palette and add a Hue/Saturation adjustment layer.

4.

Tick the Colorize box.

5.

Experiment with changing the Hue and Saturation sliders until you find a pleasing combination.

6.

Click OK. 1


Converting a Black and White Photograph to a Duotone This next technique is another way to colourise a black and white photograph but offers you more control. The photograph must be in Greyscale mode (not RGB) before you are able to change it to a Duotone. 1.

Once again open the Door image in the folder.

2.

From the Image menu select Mode then Duotone.

3.

Select Duotone from the dropdown Type field.

4.

Leave Ink 1 black. Double click on the white square to the right of Ink 2.

5.

From the Book dropdown menu, choose Pantone solid coated and select a colour.

6.

Click on the first box (with a diagonal line through it) to the right of Ink 2. Experiment with adjusting the curves.

7.

When you are happy with your image, click OK.

8.

If you were going to get this image professionally printed you would have to convert it back to RGB mode.

2


Colourising bw images